ipv6: Remove neigh argument from ndisc_send_redirect()

Instead, compute it as-needed inside of that function using
dst_neigh_lookup().

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index d97e071..604809b 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -486,7 +486,7 @@
 		   and by source (inside ndisc_send_redirect)
 		 */
 		if (inet_peer_xrlim_allow(rt->rt6i_peer, 1*HZ))
-			ndisc_send_redirect(skb, n, target);
+			ndisc_send_redirect(skb, target);
 	} else {
 		int addrtype = ipv6_addr_type(&hdr->saddr);