NLM: Fix nlmclnt_test to not copy private part of locks

The struct file_lock does not carry a properly initialised lock,
so don't copy it as if it were.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index ee140c5..6bcbc4d 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -399,7 +399,10 @@
 	lock_kernel();
 	/* Try local locking first */
 	if (posix_test_lock(filp, fl, &cfl)) {
-		locks_copy_lock(fl, &cfl);
+		fl->fl_start = cfl.fl_start;
+		fl->fl_end = cfl.fl_end;
+		fl->fl_type = cfl.fl_type;
+		fl->fl_pid = cfl.fl_pid;
 		goto out;
 	}