Fix segfault on startup.

graphics/xaos/Makefile

@@ -4,7 +4,7 @@ COMMENT =		interactive fractal zoomer and morpher
 
 VERSION =		3.6
 DISTNAME =		xaos-${VERSION}
-REVISION =		0
+REVISION =		1
 
 CATEGORIES =		graphics
 

graphics/xaos/patches/patch-src_util_timers_c

@@ -0,0 +1,13 @@
+$OpenBSD: patch-src_util_timers_c,v 1.1 2017/10/20 08:47:01 pascal Exp $
+
+Index: src/util/timers.c
+--- src/util/timers.c.orig
++++ src/util/timers.c
+@@ -26,6 +26,7 @@
+ #include <stdio.h>
+ #include <libc.h>
+ #else
++#include <stdlib.h>
+ #include <config.h>
+ #ifdef HAVE_GETTIMEOFDAY
+ #ifdef HAVE_UNISTD_H