NLM: fix print format for tk_pid

The tk_pid field is an unsigned short.  The proper print format specifier for
that type is %5u, not %4d.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/fs/lockd/clntproc.c b/fs/lockd/clntproc.c
index 3d84f60..41c983a 100644
--- a/fs/lockd/clntproc.c
+++ b/fs/lockd/clntproc.c
@@ -729,7 +729,7 @@
 		goto retry_cancel;
 	}
 
-	dprintk("lockd: cancel status %d (task %d)\n",
+	dprintk("lockd: cancel status %u (task %u)\n",
 			req->a_res.status, task->tk_pid);
 
 	switch (req->a_res.status) {