Add postgres.h to *.c files for pg_upgrade, ltree, and btree_gist, and

remove from local *.h files.

Per suggestion from Alvaro.

contrib/btree_gist/btree_bit.c

 /*
  * contrib/btree_gist/btree_bit.c
  */
+#include "postgres.h"
+
 #include "btree_gist.h"
 #include "btree_utils_var.h"
 #include "utils/bytea.h"

contrib/btree_gist/btree_bytea.c

 /*
  * contrib/btree_gist/btree_bytea.c
  */
+#include "postgres.h"
+
 #include "btree_gist.h"
 #include "btree_utils_var.h"
 #include "utils/bytea.h"

contrib/btree_gist/btree_cash.c

 /*
  * contrib/btree_gist/btree_cash.c
  */
+#include "postgres.h"
+
 #include "btree_gist.h"
 #include "btree_utils_num.h"
 #include "utils/cash.h"

contrib/btree_gist/btree_date.c

 /*
  * contrib/btree_gist/btree_date.c
  */
+#include "postgres.h"
+
 #include "btree_gist.h"
 #include "btree_utils_num.h"
 #include "utils/date.h"

contrib/btree_gist/btree_float4.c

 /*
  * contrib/btree_gist/btree_float4.c
  */
+#include "postgres.h"
+
 #include "btree_gist.h"
 #include "btree_utils_num.h"
 

contrib/btree_gist/btree_float8.c

 /*
  * contrib/btree_gist/btree_float8.c
  */
+#include "postgres.h"
+
 #include "btree_gist.h"
 #include "btree_utils_num.h"
 

contrib/btree_gist/btree_gist.c

 /*
  * contrib/btree_gist/btree_gist.c
  */
+#include "postgres.h"
+
 #include "btree_gist.h"
 
 PG_MODULE_MAGIC;

contrib/btree_gist/btree_gist.h

@@ -4,7 +4,6 @@
 #ifndef __BTREE_GIST_H__
 #define __BTREE_GIST_H__
 
-#include "postgres.h"
 #include "access/gist.h"
 #include "access/itup.h"
 #include "access/nbtree.h"

contrib/btree_gist/btree_inet.c

 /*
  * contrib/btree_gist/btree_inet.c
  */
+#include "postgres.h"
+
 #include "btree_gist.h"
 #include "btree_utils_num.h"
 #include "utils/builtins.h"

contrib/btree_gist/btree_int2.c

 /*
  * contrib/btree_gist/btree_int2.c
  */
+#include "postgres.h"
+
 #include "btree_gist.h"
 #include "btree_utils_num.h"
 

contrib/btree_gist/btree_int4.c

 /*
  * contrib/btree_gist/btree_int4.c
  */
+#include "postgres.h"
+
 #include "btree_gist.h"
 #include "btree_utils_num.h"
 

contrib/btree_gist/btree_int8.c

 /*
  * contrib/btree_gist/btree_int8.c
  */
+#include "postgres.h"
+
 #include "btree_gist.h"
 #include "btree_utils_num.h"
 

contrib/btree_gist/btree_interval.c

 /*
  * contrib/btree_gist/btree_interval.c
  */
+#include "postgres.h"
+
 #include "btree_gist.h"
 #include "btree_utils_num.h"
 #include "utils/timestamp.h"

contrib/btree_gist/btree_macaddr.c

 /*
  * contrib/btree_gist/btree_macaddr.c
  */
+#include "postgres.h"
+
 #include "btree_gist.h"
 #include "btree_utils_num.h"
 #include "utils/builtins.h"

contrib/btree_gist/btree_numeric.c

 /*
  * contrib/btree_gist/btree_numeric.c
  */
+#include "postgres.h"
+
 #include "btree_gist.h"
 
 #include <math.h>

contrib/btree_gist/btree_oid.c

 /*
  * contrib/btree_gist/btree_oid.c
  */
+#include "postgres.h"
+
 #include "btree_gist.h"
 #include "btree_utils_num.h"
 

contrib/btree_gist/btree_text.c

 /*
  * contrib/btree_gist/btree_text.c
  */
+#include "postgres.h"
+
 #include "btree_gist.h"
 #include "btree_utils_var.h"
 #include "utils/builtins.h"

contrib/btree_gist/btree_time.c

 /*
  * contrib/btree_gist/btree_time.c
  */
+#include "postgres.h"
+
 #include "btree_gist.h"
 #include "btree_utils_num.h"
 #include "utils/date.h"

contrib/btree_gist/btree_ts.c

 /*
  * contrib/btree_gist/btree_ts.c
  */
+#include "postgres.h"
+
 #include "btree_gist.h"
 #include "btree_utils_num.h"
 #include "utils/builtins.h"

contrib/btree_gist/btree_utils_num.c

 /*
  * contrib/btree_gist/btree_utils_num.c
  */
+#include "postgres.h"
+
 #include "btree_gist.h"
 #include "btree_utils_num.h"
 #include "utils/cash.h"

contrib/btree_gist/btree_utils_var.c

 /*
  * contrib/btree_gist/btree_utils_var.c
  */
+#include "postgres.h"
+
 #include "btree_gist.h"
 
 #include <math.h>

contrib/ltree/crc32.c

@@ -2,6 +2,8 @@
 
 /* contrib/ltree/crc32.c */
 
+#include "postgres.h"
+
 #include <sys/types.h>
 #include <stdio.h>
 #include <sys/types.h>

contrib/ltree/ltree.h

@@ -3,7 +3,6 @@
 #ifndef __LTREE_H__
 #define __LTREE_H__
 
-#include "postgres.h"
 #include "fmgr.h"
 #include "tsearch/ts_locale.h"
 

contrib/pg_upgrade/check.c

@@ -7,6 +7,8 @@
  *	contrib/pg_upgrade/check.c
  */
 
+#include "postgres.h"
+
 #include "pg_upgrade.h"
 
 

contrib/pg_upgrade/controldata.c

@@ -7,6 +7,8 @@
  *	contrib/pg_upgrade/controldata.c
  */
 
+#include "postgres.h"
+
 #include "pg_upgrade.h"
 
 #include <ctype.h>

contrib/pg_upgrade/dump.c

@@ -7,6 +7,8 @@
  *	contrib/pg_upgrade/dump.c
  */
 
+#include "postgres.h"
+
 #include "pg_upgrade.h"
 
 

contrib/pg_upgrade/exec.c

@@ -7,6 +7,8 @@
  *	contrib/pg_upgrade/exec.c
  */
 
+#include "postgres.h"
+
 #include "pg_upgrade.h"
 
 #include <fcntl.h>

contrib/pg_upgrade/file.c

@@ -7,6 +7,8 @@
  *	contrib/pg_upgrade/file.c
  */
 
+#include "postgres.h"
+
 #include "pg_upgrade.h"
 
 #include <fcntl.h>

contrib/pg_upgrade/function.c

@@ -7,6 +7,8 @@
  *	contrib/pg_upgrade/function.c
  */
 
+#include "postgres.h"
+
 #include "pg_upgrade.h"
 
 #include "access/transam.h"

contrib/pg_upgrade/info.c

@@ -7,6 +7,8 @@
  *	contrib/pg_upgrade/info.c
  */
 
+#include "postgres.h"
+
 #include "pg_upgrade.h"
 
 #include "access/transam.h"

contrib/pg_upgrade/option.c

@@ -7,6 +7,8 @@
  *	contrib/pg_upgrade/option.c
  */
 
+#include "postgres.h"
+
 #include "pg_upgrade.h"
 
 #include "getopt_long.h"

contrib/pg_upgrade/page.c

@@ -7,6 +7,8 @@
  *	contrib/pg_upgrade/page.c
  */
 
+#include "postgres.h"
+
 #include "pg_upgrade.h"
 
 #include "storage/bufpage.h"

contrib/pg_upgrade/pg_upgrade.c

@@ -35,6 +35,8 @@
 
 
 
+#include "postgres.h"
+
 #include "pg_upgrade.h"
 
 #ifdef HAVE_LANGINFO_H

contrib/pg_upgrade/pg_upgrade.h

@@ -5,8 +5,6 @@
  *	contrib/pg_upgrade/pg_upgrade.h
  */
 
-#include "postgres.h"
-
 #include <unistd.h>
 #include <assert.h>
 #include <dirent.h>

contrib/pg_upgrade/relfilenode.c

@@ -7,6 +7,8 @@
  *	contrib/pg_upgrade/relfilenode.c
  */
 
+#include "postgres.h"
+
 #include "pg_upgrade.h"
 
 #include "catalog/pg_class.h"

contrib/pg_upgrade/server.c

@@ -7,6 +7,8 @@
  *	contrib/pg_upgrade/server.c
  */
 
+#include "postgres.h"
+
 #include "pg_upgrade.h"
 
 

contrib/pg_upgrade/tablespace.c

@@ -7,6 +7,8 @@
  *	contrib/pg_upgrade/tablespace.c
  */
 
+#include "postgres.h"
+
 #include "pg_upgrade.h"
 
 static void get_tablespace_paths(void);

contrib/pg_upgrade/util.c

@@ -7,6 +7,8 @@
  *	contrib/pg_upgrade/util.c
  */
 
+#include "postgres.h"
+
 #include "pg_upgrade.h"
 
 #include <signal.h>

contrib/pg_upgrade/version.c

@@ -7,6 +7,8 @@
  *	contrib/pg_upgrade/version.c
  */
 
+#include "postgres.h"
+
 #include "pg_upgrade.h"
 
 #include "access/transam.h"

contrib/pg_upgrade/version_old_8_3.c

@@ -7,6 +7,8 @@
  *	contrib/pg_upgrade/version_old_8_3.c
  */
 
+#include "postgres.h"
+
 #include "pg_upgrade.h"
 
 #include "access/transam.h"