Merged revisions 331041 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/10

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  r331041 | twilson | 2011-08-08 16:12:51 -0500 (Mon, 08 Aug 2011) | 6 lines
  
  Replace AMI Unlink events with Bridge events
  
  A previous update converted some of the Link and Unlink events to
  Bridge events, but a couple of Unlink events were missed. This patch
  rectifies the situation.

  (closes issues ASTERISK-17455)
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@331042 65c4cc65-6c06-0410-ace0-fbb531ad65f3