SUNRPC: Use appropriate argument types in rpcb client

Clean up: Follow recommendations of Chapter 5 of Documentation/CodingStyle
and use "u32" instead of "__u32" for types in definitions that are not
shared with user space.
Signed-off-by: NChuck Lever <chuck.lever@oracle.com>
Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>

include/linux/sunrpc/clnt.h

@@ -125,7 +125,7 @@ void		rpc_shutdown_client(struct rpc_clnt *);
 void		rpc_release_client(struct rpc_clnt *);
 
 int		rpcb_register(u32, u32, int, unsigned short, int *);
-int		rpcb_getport_sync(struct sockaddr_in *, __u32, __u32, int);
+int		rpcb_getport_sync(struct sockaddr_in *, u32, u32, int);
 void		rpcb_getport_async(struct rpc_task *);
 
 void		rpc_call_start(struct rpc_task *);

net/sunrpc/rpcb_clnt.c

@@ -205,8 +205,7 @@ int rpcb_register(u32 prog, u32 vers, int prot, unsigned short port, int *okay)
  *
  * XXX: Needs to support IPv6, and rpcbind versions 3 and 4
  */
-int rpcb_getport_sync(struct sockaddr_in *sin, __u32 prog,
-		      __u32 vers, int prot)
+int rpcb_getport_sync(struct sockaddr_in *sin, u32 prog, u32 vers, int prot)
 {
 	struct rpcbind_args map = {
 		.r_prog		= prog,