[IPV4]: annotate struct in_ifaddr

ifa_local, ifa_address, ifa_mask, ifa_broadcast and ifa_anycast are
net-endian.  Annotated them and variables that are inferred to be
net-endian.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/um/drivers/net_kern.c b/arch/um/drivers/net_kern.c
index 664c2e2..bd1178f 100644
--- a/arch/um/drivers/net_kern.c
+++ b/arch/um/drivers/net_kern.c
@@ -825,7 +825,7 @@
 	struct net_device *dev = d;
 	struct in_device *ip = dev->ip_ptr;
 	struct in_ifaddr *in;
-	__u32 *mask_out = m;
+	__be32 *mask_out = m;
 
 	if(ip == NULL) 
 		return(1);