When a new master joins the mountgroup, it retrieves plocks from the ckpt created by the old master, then unlinks and closes the ckpt so it can create another new ckpt later.
When a new master joins the mountgroup, it retrieves plocks from
the ckpt created by the old master, then unlinks and closes the
ckpt so it can create another new ckpt later.

Bug found by sdake where the ckpt close following the unlink was
being skipped because the ckpt handle wasn't being set.

stevenraspudic/resource-agents,stevenraspudic/resource-agents,stevenraspudic/resource-agents,asp24/resource-agents,asp24/resource-agents,asp24/resource-agents