[NETNS]: Pass fib_rules_ops into default_pref method.

fib_rules_ops contains operations and the list of configured rules. ops will
become per/namespace soon, so we need them to be known in the default_pref
callback.

Acked-by: Benjamin Thery <benjamin.thery@bull.net>
Acked-by: Daniel Lezcano <dlezcano@fr.ibm.com>
Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/fib_rules.h b/include/net/fib_rules.h
index f7351b0..e9a074c 100644
--- a/include/net/fib_rules.h
+++ b/include/net/fib_rules.h
@@ -56,7 +56,7 @@
 	int			(*fill)(struct fib_rule *, struct sk_buff *,
 					struct nlmsghdr *,
 					struct fib_rule_hdr *);
-	u32			(*default_pref)(void);
+	u32			(*default_pref)(struct fib_rules_ops *ops);
 	size_t			(*nlmsg_payload)(struct fib_rule *);
 
 	/* Called after modifications to the rules set, must flush