Index: branches/FEPSimulator/DataPacker.h
===================================================================
--- branches/FEPSimulator/DataPacker.h	(revision 82)
+++ branches/FEPSimulator/DataPacker.h	(revision 159)
@@ -17,4 +17,5 @@
 #include <iostream>
 #include <string.h>
+#include <stdio.h>
 
 class DataPacker {