--- a/stage4/stage4.cc	Tue Aug 19 18:04:28 2008 +0200
+++ b/stage4/stage4.cc	Thu Aug 21 16:08:19 2008 +0200
@@ -37,7 +37,7 @@
 #include <string>
 #include <iostream>
 #include <fstream>
-
+#include <stdlib.h>
 
 #include "stage4.hh"