$OpenBSD: patch-src_vim_h,v 1.4 2013/10/04 08:44:04 sthen Exp $
--- src/vim.h.orig	Fri Sep 20 19:13:53 2013
+++ src/vim.h	Sat Sep 21 23:43:48 2013
@@ -265,6 +265,7 @@
 # include "os_beos.h"
 # define __ARGS(x)  x
 #endif
+#define UNUSED __attribute__((unused))
 
 #if (defined(UNIX) || defined(__EMX__) || defined(VMS)) \
 	&& (!defined(MACOS_X) || defined(HAVE_CONFIG_H))
