$OpenBSD: patch-mix_c,v 1.1 2001/07/05 10:48:23 espie Exp $
--- mix.c.orig	Mon May 20 15:09:46 1996
+++ mix.c	Fri Apr 27 08:01:39 2001
@@ -23,7 +23,12 @@
 
 #include <math.h>
 #include <stdio.h>
+
+#ifdef __OpenBSD__
+#include <stdlib.h>
+#else
 #include <malloc.h>
+#endif
 
 #include "config.h"
 #include "common.h"
