$OpenBSD: patch-move_c,v 1.1 2017/05/06 10:19:04 naddy Exp $

Index: move.c
--- move.c.orig
+++ move.c
@@ -40,6 +40,7 @@ static char RCSinfo[]=
 #endif
 
 #include <stdio.h>
+#include <stdlib.h>
 #include <X11/X.h>
 #include <X11/Xatom.h>
 #include "twm.h"
