Merged revisions 288499 via svnmerge from

Merged revisions 288499 via svnmerge from
https://origsvn.digium.com/svn/asterisk/branches/1.4

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  r288499 | twilson | 2010-09-22 16:00:30 -0700 (Wed, 22 Sep 2010) | 8 lines

  Don't let a Local channel get bridged to itself

  If a local channel gets bridged to itself, it becomes orphaned with no devices
  left to actually tell it to hang up. This patch modifies local_fixup() to detect
  this case and deny it.

  Review: https://reviewboard.asterisk.org/r/934
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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.2@288500 65c4cc65-6c06-0410-ace0-fbb531ad65f3