[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/drivers/net/wan/syncppp.c b/drivers/net/wan/syncppp.c
index c13b459..d117308 100644
--- a/drivers/net/wan/syncppp.c
+++ b/drivers/net/wan/syncppp.c
@@ -763,7 +763,7 @@
 		{
 		struct in_device *in_dev;
 		struct in_ifaddr *ifa;
-		u32 addr = 0, mask = ~0; /* FIXME: is the mask correct? */
+		__be32 addr = 0, mask = ~0; /* FIXME: is the mask correct? */
 #ifdef CONFIG_INET
 		rcu_read_lock();
 		if ((in_dev = __in_dev_get_rcu(dev)) != NULL)