$OpenBSD: patch-richmail_richset_c,v 1.1 2010/07/12 19:28:14 naddy Exp $
--- richmail/richset.c.orig	Mon Jul 12 21:18:46 2010
+++ richmail/richset.c	Mon Jul 12 21:19:06 2010
@@ -34,6 +34,7 @@
 -------------------------------------------------------------------------*/
 
 #include <stdio.h>
+#include <stdlib.h>
 #include "richlex.h"
 #include "richset.h"