Silence mingw compiler warning

src/interfaces/libpq/pthread-win32.c

@@ -5,7 +5,7 @@
 *
 * Copyright (c) 2004-2007, PostgreSQL Global Development Group
 * IDENTIFICATION
-*	$PostgreSQL: pgsql/src/interfaces/libpq/pthread-win32.c,v 1.13 2007/01/05 22:20:01 momjian Exp $
+*	$PostgreSQL: pgsql/src/interfaces/libpq/pthread-win32.c,v 1.14 2007/04/18 08:32:40 mha Exp $
 *
 *-------------------------------------------------------------------------
 */
@@ -16,7 +16,7 @@
 #include "pthread-win32.h"
 
 DWORD
-pthread_self()
+pthread_self(void)
 {
 	return GetCurrentThreadId();
 }

src/port/pthread-win32.h

@@ -5,7 +5,7 @@ typedef ULONG pthread_key_t;
 typedef HANDLE pthread_mutex_t;
 typedef int pthread_once_t;
 
-DWORD		pthread_self();
+DWORD		pthread_self(void);
 
 void		pthread_setspecific(pthread_key_t, void *);
 void	   *pthread_getspecific(pthread_key_t);