[IPV4]: multipath_set_nhinfo() annotations

multipath_set_nhinfo() (and underlying callback) take net-endian
network and netmask.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/multipath_wrandom.c b/net/ipv4/multipath_wrandom.c
index d25ec4a..773acc9 100644
--- a/net/ipv4/multipath_wrandom.c
+++ b/net/ipv4/multipath_wrandom.c
@@ -217,8 +217,8 @@
 	*rp = decision;
 }
 
-static void wrandom_set_nhinfo(__u32 network,
-			       __u32 netmask,
+static void wrandom_set_nhinfo(__be32 network,
+			       __be32 netmask,
 			       unsigned char prefixlen,
 			       const struct fib_nh *nh)
 {