enable examples to compile on Windows. patch from Hiroshi Saito.

src/test/examples/Makefile

@@ -6,6 +6,10 @@ subdir = src/test/examples
 top_builddir = ../../..
 include $(top_builddir)/src/Makefile.global
 
+ifeq ($(PORTNAME), win32)
+LDLIBS += -lws2_32
+endif
+
 override CPPFLAGS := -I$(libpq_srcdir) $(CPPFLAGS)
 override LDLIBS := $(libpq_pgport) $(LDLIBS)
 

src/test/examples/testlibpq2.c

 /*
- * $PostgreSQL: pgsql/src/test/examples/testlibpq2.c,v 1.15 2009/06/11 14:49:15 momjian Exp $
+ * $PostgreSQL: pgsql/src/test/examples/testlibpq2.c,v 1.16 2009/12/31 00:16:47 adunstan Exp $
  *
  *
  * testlibpq2.c
@@ -24,11 +24,16 @@
  *
  *	 INSERT INTO TBL1 VALUES (10);
  */
+
+#ifdef WIN32
+#include <windows.h>
+#endif
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <errno.h>
 #include <sys/time.h>
+#include <sys/types.h>
 #include "libpq-fe.h"
 
 static void

src/test/examples/testlibpq3.c

 /*
- * $PostgreSQL: pgsql/src/test/examples/testlibpq3.c,v 1.16 2009/06/11 14:49:15 momjian Exp $
+ * $PostgreSQL: pgsql/src/test/examples/testlibpq3.c,v 1.17 2009/12/31 00:16:47 adunstan Exp $
  *
  *
  * testlibpq3.c
@@ -25,8 +25,14 @@
  *	t = (8 bytes) 'ho there'
  *	b = (5 bytes) \004\003\002\001\000
  */
+
+#ifdef WIN32
+#include <windows.h>
+#endif
+
 #include <stdio.h>
 #include <stdlib.h>
+#include <stdint.h>
 #include <string.h>
 #include <sys/types.h>
 #include "libpq-fe.h"