ipv4: Get route daddr from flow key in dccp_v4_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/dccp/ipv4.c

@@ -83,7 +83,7 @@ int dccp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 	}
 
 	if (inet_opt == NULL || !inet_opt->opt.srr)
-		daddr = rt->rt_dst;
+		daddr = fl4.daddr;
 
 	if (inet->inet_saddr == 0)
 		inet->inet_saddr = rt->rt_src;