--- a/networkprotocols/iphook/inhook6/src/in_chk.cpp	Tue Feb 02 01:27:53 2010 +0200
+++ b/networkprotocols/iphook/inhook6/src/in_chk.cpp	Fri Apr 16 16:36:59 2010 +0300
@@ -16,6 +16,7 @@
 
 #include <in_sock.h> // IPv6 enhanced in_sock.h
 #include "in_chk.h"
+#include "in_pkt_platform.h"
 
 
 EXPORT_C void TChecksum::Add(RMBufChain &aPacket, TInt aOffset)