[IPV4]: Right prototype of __raw_v4_lookup()

All users pass 32-bit values as addresses and internally they're
compared with 32-bit entities. So, change "laddr" and "raddr" types to
__be32.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index fc25624..bd221ec 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -103,7 +103,7 @@
 }
 
 struct sock *__raw_v4_lookup(struct sock *sk, unsigned short num,
-			     unsigned long raddr, unsigned long laddr,
+			     __be32 raddr, __be32 laddr,
 			     int dif)
 {
 	struct hlist_node *node;