[IPV4]: struct ip_options annotations

->faddr is net-endian; annotated as such, variables inferred to be net-endian
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/udp.c b/net/ipv4/udp.c
index 77e265d..b63fd3d 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -513,7 +513,7 @@
 	struct rtable *rt = NULL;
 	int free = 0;
 	int connected = 0;
-	u32 daddr, faddr, saddr;
+	__be32 daddr, faddr, saddr;
 	u16 dport;
 	u8  tos;
 	int err;