[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/isdn/i4l/isdn_net.c b/drivers/isdn/i4l/isdn_net.c
index 43da8ae..1f8d6ae6 100644
--- a/drivers/isdn/i4l/isdn_net.c
+++ b/drivers/isdn/i4l/isdn_net.c
@@ -1614,8 +1614,8 @@
 	struct sk_buff *skb;
 	unsigned char *p;
 	struct in_device *in_dev = NULL;
-	u32 addr = 0;		/* local ipv4 address */
-	u32 mask = 0;		/* local netmask */
+	__be32 addr = 0;		/* local ipv4 address */
+	__be32 mask = 0;		/* local netmask */
 
 	if ((in_dev = lp->netdev->dev.ip_ptr) != NULL) {
 		/* take primary(first) address of interface */