$NetBSD: patch-ad,v 1.1 2001/07/17 03:01:10 dmcmahill Exp $

--- src/o_undo.c.orig	Sun Jul  8 22:03:47 2001
+++ src/o_undo.c	Mon Jul 16 21:50:39 2001
@@ -23,4 +23,7 @@
 #include <config.h>
 #include <stdio.h>
+#ifdef HAVE_STRINGS_H
+#include <strings.h>
+#endif
 #ifdef HAVE_UNISTD_H
 #include <unistd.h>
