$OpenBSD: patch-src_vim_h,v 1.1 2009/05/31 18:59:51 ckuethe Exp $
--- src/vim.h.orig	Sun May 31 12:52:45 2009
+++ src/vim.h	Sun May 31 12:54:18 2009
@@ -261,6 +261,7 @@
 #ifndef __PARMS
 # define __PARMS(x) __ARGS(x)
 #endif
+#define UNUSED __attribute__((unused))
 
 /* if we're compiling in C++ (currently only KVim), the system
  * headers must have the correct prototypes or nothing will build.