[IPV4] nl_fib_lookup: Rename fl_fwmark to fl_mark

For the sake of consistency.

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index ee8daae..1402534 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -768,7 +768,7 @@
 {
 	
 	struct fib_result       res;
-	struct flowi            fl = { .mark = frn->fl_fwmark,
+	struct flowi            fl = { .mark = frn->fl_mark,
 				       .nl_u = { .ip4_u = { .daddr = frn->fl_addr,
 							    .tos = frn->fl_tos,
 							    .scope = frn->fl_scope } } };