[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/net/ipv4/netfilter/nf_nat_helper.c b/net/ipv4/netfilter/nf_nat_helper.c
index 98fbfc84..dc6738b 100644
--- a/net/ipv4/netfilter/nf_nat_helper.c
+++ b/net/ipv4/netfilter/nf_nat_helper.c
@@ -176,7 +176,7 @@
 	datalen = (*pskb)->len - iph->ihl*4;
 	if ((*pskb)->ip_summed != CHECKSUM_PARTIAL) {
 		tcph->check = 0;
-		tcph->check = tcp_v4_check(tcph, datalen,
+		tcph->check = tcp_v4_check(datalen,
 					   iph->saddr, iph->daddr,
 					   csum_partial((char *)tcph,
 					   		datalen, 0));