--- include/linux/netfilter_ipv4/ip_conntrack_core.h	2003-07-27 21:38:40.805982872 +0200
+++ /usr/src/linux-2.6.0-test2-O10/include/linux/netfilter_ipv4/ip_conntrack_core.h	2003-07-27 21:36:26.799354976 +0200
@@ -1,5 +1,6 @@
 #ifndef _IP_CONNTRACK_CORE_H
 #define _IP_CONNTRACK_CORE_H
+#include <linux/netfilter.h>
 #include <linux/netfilter_ipv4/lockhelp.h>
 
 /* This header is used to share core functionality between the