$OpenBSD: patch-src_fileio_h,v 1.1 2005/10/02 01:39:38 fgsch Exp $
--- src/fileio.h.orig	Wed Sep 28 16:46:46 2005
+++ src/fileio.h	Wed Sep 28 16:46:54 2005
@@ -6,7 +6,9 @@
 
 ***************************************************************************/
 
+#ifndef __GNUC__
 #pragma once
+#endif
 
 #ifndef __FILEIO_H__
 #define __FILEIO_H__
