$OpenBSD: patch-md5_c,v 1.1 2012/09/11 12:45:44 sthen Exp $
--- md5.c.orig	Tue Sep 11 13:34:16 2012
+++ md5.c	Tue Sep 11 13:34:25 2012
@@ -49,6 +49,7 @@
  */
 
 #include "md5.h"
+#include <string.h>
 
 /* Constants for MD5Transform routine.
  */
