$OpenBSD: patch-metamail_mmencode_c,v 1.1 2010/07/12 19:28:14 naddy Exp $
--- metamail/mmencode.c.orig	Mon Jul 12 21:13:57 2010
+++ metamail/mmencode.c	Mon Jul 12 21:14:12 2010
@@ -13,6 +13,7 @@ OF THIS MATERIAL FOR ANY PURPOSE.  IT IS PROVIDED "AS 
 WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES.
 */
 #include <stdio.h>
+#include <stdlib.h>
 #include <config.h>
 #ifdef MSDOS
 #include <fcntl.h>