net: Put flowi_* prefix on AF independent members of struct flowi

I intend to turn struct flowi into a union of AF specific flowi
structs.  There will be a common structure that each variant includes
first, much like struct sock_common.

This is the first step to move in that direction.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/syncookies.c b/net/ipv4/syncookies.c
index 0ad6ddf..98d47dc 100644
--- a/net/ipv4/syncookies.c
+++ b/net/ipv4/syncookies.c
@@ -345,15 +345,17 @@
 	 * no easy way to do this.
 	 */
 	{
-		struct flowi fl = { .mark = sk->sk_mark,
-				    .fl4_dst = ((opt && opt->srr) ?
-						opt->faddr : ireq->rmt_addr),
-				    .fl4_src = ireq->loc_addr,
-				    .fl4_tos = RT_CONN_FLAGS(sk),
-				    .proto = IPPROTO_TCP,
-				    .flags = inet_sk_flowi_flags(sk),
-				    .fl_ip_sport = th->dest,
-				    .fl_ip_dport = th->source };
+		struct flowi fl = {
+			.flowi_mark = sk->sk_mark,
+			.fl4_dst = ((opt && opt->srr) ?
+				    opt->faddr : ireq->rmt_addr),
+			.fl4_src = ireq->loc_addr,
+			.fl4_tos = RT_CONN_FLAGS(sk),
+			.flowi_proto = IPPROTO_TCP,
+			.flowi_flags = inet_sk_flowi_flags(sk),
+			.fl_ip_sport = th->dest,
+			.fl_ip_dport = th->source,
+		};
 		security_req_classify_flow(req, &fl);
 		rt = ip_route_output_key(sock_net(sk), &fl);
 		if (IS_ERR(rt)) {