skb->nfcache |= NFC_ALTERED; }
ip_ct_gather_frags(struct sk_buff *skb, u_int32_t user){	skb_orphan(skb);	local_bh_disable(); 	skb = ip_defrag(skb, user);	local_bh_enable();	if (skb) {		ip_send_check(skb->nh.iph);		skb->nfcache |= NFC_ALTERED;	}	return skb;}