openvswitch: Remove egress_tun_info.

tun info is passed using skb-dst pointer. Now we have
converted all vports to netdev based implementation so
Now we can remove redundant pointer to tun-info from OVS_CB.

Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/openvswitch/vport-gre.c b/net/openvswitch/vport-gre.c
index 871801d..36c39843 100644
--- a/net/openvswitch/vport-gre.c
+++ b/net/openvswitch/vport-gre.c
@@ -89,8 +89,7 @@
 {
 	return ovs_tunnel_get_egress_info(egress_tun_info,
 					  ovs_dp_get_net(vport->dp),
-					  OVS_CB(skb)->egress_tun_info,
-					  IPPROTO_GRE, skb->mark, 0, 0);
+					  skb, IPPROTO_GRE, 0, 0);
 }
 
 static struct vport_ops ovs_gre_vport_ops = {