[TCP]: remove tcp header from tcp_v4_check (take #2)

The tcphdr struct passed to tcp_v4_check is not used, the following
patch removes it from the parameter list.

This adds the netfilter modifications missing in the patch I sent
for rc3-mm1.

Signed-off-by: Frederik Deweerdt <frederik.deweerdt@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/tcp.h b/include/net/tcp.h
index cd8fa0c..5c472f2 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -802,9 +802,8 @@
 /*
  * Calculate(/check) TCP checksum
  */
-static inline __sum16 tcp_v4_check(struct tcphdr *th, int len,
-			       __be32 saddr, __be32 daddr,
-			       __wsum base)
+static inline __sum16 tcp_v4_check(int len, __be32 saddr,
+				   __be32 daddr, __wsum base)
 {
 	return csum_tcpudp_magic(saddr,daddr,len,IPPROTO_TCP,base);
 }