$OpenBSD: patch-src_prefs_cc,v 1.1 2018/12/19 09:30:15 jca Exp $

Index: src/prefs.cc
--- src/prefs.cc.orig
+++ src/prefs.cc
@@ -13,6 +13,7 @@
 #include <fstream>
 #include <iostream>
 #include <stdio.h>
+#include <stdlib.h>
 
 #include <list>
 
