Merged revisions 277906 via svnmerge from

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

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  r277906 | jeang | 2010-07-19 15:16:36 -0500 (Mon, 19 Jul 2010) | 7 lines
  
  Avoid trying to pickup a parked extension before the park operation is completed.
  
  A crash could occur if the extension is picked up while the parking extension is
  being announced. Testing pu->notquiteyet while searching for a parked extension
  resolves this crash.
  
  (ABE-2418)
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@277945 65c4cc65-6c06-0410-ace0-fbb531ad65f3