[XFS] Need to unlock the AIL before calling xfs_force_shutdown() because

when it goes to force out the log, and get the tail lsn, it will want to
get the AIL lock.

SGI-PV: 940076
SGI-Modid: xfs-linux:xfs-kern:23260a
Signed-off-by: NTim Shimmin <tes@sgi.com>
Signed-off-by: NNathan Scott <nathans@sgi.com>

fs/xfs/xfs_trans_ail.c

@@ -379,8 +379,8 @@ xfs_trans_delete_ail(
 		else {
 			xfs_cmn_err(XFS_PTAG_AILDELETE, CE_ALERT, mp,
 				"xfs_trans_delete_ail: attempting to delete a log item that is not in the AIL");
-			xfs_force_shutdown(mp, XFS_CORRUPT_INCORE);
 			AIL_UNLOCK(mp, s);
+			xfs_force_shutdown(mp, XFS_CORRUPT_INCORE);
 		}
 	}
 }