--- FeLib/Source/festring.cpp.orig	2008-06-15 14:30:51.000000000 +0000
+++ FeLib/Source/festring.cpp	2008-06-15 14:31:01.000000000 +0000
@@ -11,6 +11,8 @@
  */
 
 #include <cctype>
+#include <cstdlib>
+
 
 #include "festring.h"
 #include "allocate.h"