Merged revisions 175187 via svnmerge from

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

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  r175187 | jpeeler | 2009-02-12 11:57:10 -0600 (Thu, 12 Feb 2009) | 6 lines
  
  Fix crash in event of failed attempt to transfer to parking
  
  The peer may not necessarily exist, such as in the case of a transfer to 
  ParkAndAnnounce. In this case don't try to play a sound to it.
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@175188 65c4cc65-6c06-0410-ace0-fbb531ad65f3