--- polyester-1.0.1/client/polyester.cc	2007-05-09 21:08:38.000000000 +0200
+++ polyester-1.0.1.new/client/polyester.cc	2008-03-23 16:06:35.000000000 +0100
@@ -33,6 +33,7 @@
 #include <qapplication.h>
 #include <qsettings.h>
 #include <math.h>
+#include <stdlib.h>
 
 #include "polyester.h"
 #include "buttons.h"