SUNRPC: Update RPC server's TCP record marker decoder

Clean up: Update the RPC server's TCP record marker decoder to match the
constructs used by the RPC client's TCP socket transport.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
diff --git a/include/linux/sunrpc/svcsock.h b/include/linux/sunrpc/svcsock.h
index 206f092..8cff696 100644
--- a/include/linux/sunrpc/svcsock.h
+++ b/include/linux/sunrpc/svcsock.h
@@ -26,8 +26,8 @@
 	void			(*sk_owspace)(struct sock *);
 
 	/* private TCP part */
-	int			sk_reclen;	/* length of record */
-	int			sk_tcplen;	/* current read length */
+	u32			sk_reclen;	/* length of record */
+	u32			sk_tcplen;	/* current read length */
 };
 
 /*