Merged revisions 205349 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.4

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  r205349 | mmichelson | 2009-07-08 14:26:13 -0500 (Wed, 08 Jul 2009) | 14 lines
  
  Prevent phantom calls to queue members.
  
  If a caller were to hang up while a periodic announcement or position
  were being said, the return value for those functions would incorrectly
  indicate that the caller was still in the queue. With these changes,
  the problem does not occur.
  
  (closes issue #14631)
  Reported by: latinsud
  Patches:
        queue_announce_ghost_call2.diff uploaded by latinsud (license 745)
  	  (with small modification from me)
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@205350 65c4cc65-6c06-0410-ace0-fbb531ad65f3