[SUNRPC]: trivial endianness annotations

pure s/u32/__be32/

[AV: large part based on Alexey's patches]

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sunrpc/auth_unix.c b/net/sunrpc/auth_unix.c
index 74c7406..f7f990c 100644
--- a/net/sunrpc/auth_unix.c
+++ b/net/sunrpc/auth_unix.c
@@ -137,12 +137,12 @@
  * Marshal credentials.
  * Maybe we should keep a cached credential for performance reasons.
  */
-static u32 *
-unx_marshal(struct rpc_task *task, u32 *p)
+static __be32 *
+unx_marshal(struct rpc_task *task, __be32 *p)
 {
 	struct rpc_clnt	*clnt = task->tk_client;
 	struct unx_cred	*cred = (struct unx_cred *) task->tk_msg.rpc_cred;
-	u32		*base, *hold;
+	__be32		*base, *hold;
 	int		i;
 
 	*p++ = htonl(RPC_AUTH_UNIX);
@@ -178,8 +178,8 @@
 	return 0;
 }
 
-static u32 *
-unx_validate(struct rpc_task *task, u32 *p)
+static __be32 *
+unx_validate(struct rpc_task *task, __be32 *p)
 {
 	rpc_authflavor_t	flavor;
 	u32			size;