Put undef's before extern declarations that need 'em, per Andrew Dunstan.

src/include/port.h

@@ -6,7 +6,7 @@
  * Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $PostgreSQL: pgsql/src/include/port.h,v 1.84.2.1 2005/12/06 02:29:26 tgl Exp $
+ * $PostgreSQL: pgsql/src/include/port.h,v 1.84.2.2 2005/12/06 05:13:56 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -114,24 +114,6 @@ extern unsigned char pg_tolower(unsigned char ch);
 
 #ifdef USE_REPL_SNPRINTF
 
-extern int	pg_vsnprintf(char *str, size_t count, const char *fmt, va_list args);
-extern int
-pg_snprintf(char *str, size_t count, const char *fmt,...)
-/* This extension allows gcc to check the format string */
-__attribute__((format(printf, 3, 4)));
-extern int
-pg_sprintf(char *str, const char *fmt,...)
-/* This extension allows gcc to check the format string */
-__attribute__((format(printf, 2, 3)));
-extern int
-pg_fprintf(FILE *stream, const char *fmt,...)
-/* This extension allows gcc to check the format string */
-__attribute__((format(printf, 2, 3)));
-extern int
-pg_printf(const char *fmt,...)
-/* This extension allows gcc to check the format string */
-__attribute__((format(printf, 1, 2)));
-
 /*
  * Some versions of libintl try to replace printf and friends with macros;
  * if we are doing likewise, make sure our versions win.
@@ -152,6 +134,24 @@ __attribute__((format(printf, 1, 2)));
 #undef printf
 #endif
 
+extern int	pg_vsnprintf(char *str, size_t count, const char *fmt, va_list args);
+extern int
+pg_snprintf(char *str, size_t count, const char *fmt,...)
+/* This extension allows gcc to check the format string */
+__attribute__((format(printf, 3, 4)));
+extern int
+pg_sprintf(char *str, const char *fmt,...)
+/* This extension allows gcc to check the format string */
+__attribute__((format(printf, 2, 3)));
+extern int
+pg_fprintf(FILE *stream, const char *fmt,...)
+/* This extension allows gcc to check the format string */
+__attribute__((format(printf, 2, 3)));
+extern int
+pg_printf(const char *fmt,...)
+/* This extension allows gcc to check the format string */
+__attribute__((format(printf, 1, 2)));
+
 /*
  *	The GCC-specific code below prevents the __attribute__(... 'printf')
  *	above from being replaced, and this is required because gcc doesn't