[PATCH] remove unused header files in nfnetlink.c

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

Index: net-2.6.git/net/netfilter/nfnetlink.c
===================================================================
--- net-2.6.git.orig/net/netfilter/nfnetlink.c	2006-12-26 04:38:20.000000000 +0100
+++ net-2.6.git/net/netfilter/nfnetlink.c	2006-12-26 04:42:46.000000000 +0100
@@ -30,9 +30,7 @@
 #include <asm/system.h>
 #include <net/sock.h>
 #include <linux/init.h>
-#include <linux/spinlock.h>
 
-#include <linux/netfilter.h>
 #include <linux/netlink.h>
 #include <linux/netfilter/nfnetlink.h>