--- a/networkprotocols/iphook/inhook6/include/in_chk.h	Tue Feb 02 01:27:53 2010 +0200
+++ b/networkprotocols/iphook/inhook6/include/in_chk.h	Fri Apr 16 16:36:59 2010 +0300
@@ -26,8 +26,9 @@
 #ifndef __IN_CHK_H__
 #define __IN_CHK_H__
 
-#include <nifmbuf.h>
 #include "in_pkt.h"
+class RMBufChain;
+class RMBufPktInfo;
 
 /** Checksum calculation.