[GFS2] Fix to list_del in lops.c

A list_del should have been a list_del_init in lops.c which was
resulting in incorrect status returns from list_empty().

Signed-off-by: Steven Whitheouse <swhiteho@redhat.com>

fs/gfs2/lops.c

diff --git a/fs/gfs2/lops.c b/fs/gfs2/lops.c
index 04bceb7..82dfc96 100644
--- a/fs/gfs2/lops.c
+++ b/fs/gfs2/lops.c
@@ -638,7 +638,7 @@
 		gfs2_log_lock(sdp);
 		bd1 = list_entry(started.next, struct gfs2_bufdata,
 				 bd_le.le_list);
-		list_del(&bd1->bd_le.le_list);
+		list_del_init(&bd1->bd_le.le_list);
 		sdp->sd_log_num_databuf--;
 		bh = bd1->bd_bh;
 		if (bh) {