[IPV4]: last default route is a fib table property

Signed-off-by: Denis V. Lunev <den@openvz.org>
Acked-by: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h
index 690fb4d..d70b9b4 100644
--- a/include/net/ip_fib.h
+++ b/include/net/ip_fib.h
@@ -141,6 +141,7 @@
 	struct hlist_node tb_hlist;
 	u32		tb_id;
 	unsigned	tb_stamp;
+	int		tb_default;
 	int		(*tb_lookup)(struct fib_table *tb, const struct flowi *flp, struct fib_result *res);
 	int		(*tb_insert)(struct fib_table *, struct fib_config *);
 	int		(*tb_delete)(struct fib_table *, struct fib_config *);