--- ui/zinf/unix/src/GTKUtility.cpp.orig	2003-09-16 20:36:23.000000000 +0300
+++ ui/zinf/unix/src/GTKUtility.cpp
@@ -25,6 +25,7 @@ ________________________________________
 
 #include <stdio.h>
 #include <string>
+#include <cstdlib>
 #include "thread.h"
 #include "GTKUtility.h"
 #include "facontext.h"