[IPV4]: inet_select_addr() annotations

argument and return value are net-endian.  Annotated function and inferred
net-endian variables in callers.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 8e8d1f1..bffbbec 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -876,9 +876,9 @@
 	return done;
 }
 
-u32 inet_select_addr(const struct net_device *dev, u32 dst, int scope)
+__be32 inet_select_addr(const struct net_device *dev, __be32 dst, int scope)
 {
-	u32 addr = 0;
+	__be32 addr = 0;
 	struct in_device *in_dev;
 
 	rcu_read_lock();