Fix Bridge application occasionally returning to the wrong location.

Fix Bridge application occasionally returning to the wrong location.

* Fix do_bridge_masquerade() getting the resume location from the zombie
channel.  The code must not touch a clone channel after it has masqueraded
it.  The clone channel has become a zombie and is starting to hangup.

(closes issue ASTERISK-19985)
Reported by: jamicque
Patches:
      jira_asterisk_19985_v1.8.patch (license #5621) patch uploaded by rmudgett
Tested by: jamicque
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Merged revisions 369327 from http://svn.asterisk.org/svn/asterisk/branches/1.8
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Merged revisions 369328 from http://svn.asterisk.org/svn/asterisk/branches/10

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@369329 65c4cc65-6c06-0410-ace0-fbb531ad65f3