svcrdma: silence a Sparse warning

Sparse complains that the definition function definition and the
implementation aren't anotated the same way.
Signed-off-by: NDan Carpenter <dan.carpenter@oracle.com>
Acked-by: NTom Tucker <tom@opengridcomputing.com>
Signed-off-by: NJ. Bruce Fields <bfields@redhat.com>

include/linux/sunrpc/svc_rdma.h

@@ -190,7 +190,7 @@ extern int svc_rdma_xdr_encode_error(struct svcxprt_rdma *,
 extern void svc_rdma_xdr_encode_write_list(struct rpcrdma_msg *, int);
 extern void svc_rdma_xdr_encode_reply_array(struct rpcrdma_write_array *, int);
 extern void svc_rdma_xdr_encode_array_chunk(struct rpcrdma_write_array *, int,
-					    u32, u64, u32);
+					    __be32, __be64, u32);
 extern void svc_rdma_xdr_encode_reply_header(struct svcxprt_rdma *,
 					     struct rpcrdma_msg *,
 					     struct rpcrdma_msg *,