$OpenBSD: patch-WINGs_string_c,v 1.3 2002/01/04 22:40:02 wilfried Exp $
--- WINGs/string.c.orig	Sat Nov 17 05:43:30 2001
+++ WINGs/string.c	Fri Jan  4 13:54:19 2002
@@ -1,6 +1,6 @@
 
 #include "wconfig.h"
-
+#include <assert.h>
 #include <string.h>
 #include <stdlib.h>
 #include <ctype.h>