$NetBSD: patch-ai,v 1.2 1998/08/07 10:40:49 agc Exp $

--- hybriderr.c.orig	Mon Sep 25 10:22:08 1995
+++ hybriderr.c	Sat Jun 20 00:33:29 1998
@@ -28,2 +28,5 @@
 #include "dither.h"
+#ifdef __NetBSD__
+#include <stdlib.h>
+#endif