[IPV4]: struct fib_config IPv4 address fields annotated

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 319aaaf..7f52179 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -273,7 +273,7 @@
 static int rtentry_to_fib_config(int cmd, struct rtentry *rt,
 				 struct fib_config *cfg)
 {
-	u32 addr;
+	__be32 addr;
 	int plen;
 
 	memset(cfg, 0, sizeof(*cfg));