[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/include/linux/sunrpc/msg_prot.h b/include/linux/sunrpc/msg_prot.h
index f43f237..d9f5934 100644
--- a/include/linux/sunrpc/msg_prot.h
+++ b/include/linux/sunrpc/msg_prot.h
@@ -95,7 +95,7 @@
  * 2GB.
  */
 
-typedef u32	rpc_fraghdr;
+typedef __be32	rpc_fraghdr;
 
 #define	RPC_LAST_STREAM_FRAGMENT	(1U << 31)
 #define	RPC_FRAGMENT_SIZE_MASK		(~RPC_LAST_STREAM_FRAGMENT)