--- src/boards/mapinc.h.orig	2017-02-26 13:37:11 UTC
+++ src/boards/mapinc.h
@@ -9,4 +9,5 @@
 #include "../cheat.h"
 #include "../unif.h"
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>