dlm: fix format seq ops type 4

This patch fixes to set the type 4 format ops in case of table_open4().
It got accidentially changed by commit 541adb0 ("fs: dlm: debugfs
for queued callbacks") and since them toss debug dumps the same format
as format 5 that are the queued ast callbacks for lkbs.

Fixes: 541adb0 ("fs: dlm: debugfs for queued callbacks")
Signed-off-by: Alexander Aring <aahringo@redhat.com>
Signed-off-by: David Teigland <teigland@redhat.com>

Author: Alexander Aring

fs/dlm/debug_fs.c

@@ -748,7 +748,7 @@ static int table_open4(struct inode *inode, struct file *file)
 	struct seq_file *seq;
 	int ret;
 
-	ret = seq_open(file, &format5_seq_ops);
+	ret = seq_open(file, &format4_seq_ops);
 	if (ret)
 		return ret;