ipv4: Get route daddr from flow key in ip4_datagram_connect().

Now that output route lookups update the flow with
destination address selection, we can fetch it from
fl4->daddr instead of rt->rt_dst
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/ipv4/datagram.c

@@ -69,7 +69,7 @@ int ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 		if (sk->sk_prot->rehash)
 			sk->sk_prot->rehash(sk);
 	}
-	inet->inet_daddr = rt->rt_dst;
+	inet->inet_daddr = fl4.daddr;
 	inet->inet_dport = usin->sin_port;
 	sk->sk_state = TCP_ESTABLISHED;
 	inet->inet_id = jiffies;