Add #includes missed in commit e22b27f0.

Leaving out getopt_long.h works on some platforms, but not all.
Per buildfarm.

Discussion: https://postgr.es/m/20180325030552.f462zqmohs6cqekg@alap3.anarazel.de

src/bin/pg_controldata/pg_controldata.c

@@ -25,6 +25,7 @@
 #include "catalog/pg_control.h"
 #include "common/controldata_utils.h"
 #include "pg_getopt.h"
+#include "getopt_long.h"
 
 
 static void

src/bin/pg_resetwal/pg_resetwal.c

@@ -55,6 +55,7 @@
 #include "common/restricted_token.h"
 #include "storage/large_object.h"
 #include "pg_getopt.h"
+#include "getopt_long.h"
 
 
 static ControlFileData ControlFile; /* pg_control values */