--- a/imgtools/imglib/filesystem/include/filesysteminterface.h	Sat May 15 14:32:45 2010 +0100
+++ b/imgtools/imglib/filesystem/include/filesysteminterface.h	Sat May 15 18:24:04 2010 +0100
@@ -24,6 +24,7 @@
 
 #include "directory.h"
 #include <fstream>
+#include <cstdlib>
 
 typedef std::ofstream Ofstream;