--- src/helpers/Environment.cpp	2008-01-08 09:33:35.000000000 -0600
+++ src/helpers/Environment.cpp	2008-01-08 09:33:35.000000000 -0600
@@ -20,6 +20,7 @@
 
 #include "Environment.h"
 #include "VExcept.h"
+#include <cstdlib>
 #ifdef WIN32
 #include <windows.h>
 #include <winbase.h>