Merged revisions 273830 via svnmerge from

Merged revisions 273830 via svnmerge from
https://origsvn.digium.com/svn/asterisk/trunk

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  r273830 | tilghman | 2010-07-02 21:36:31 -0500 (Fri, 02 Jul 2010) | 16 lines

  Merged revisions 273793 via svnmerge from
  https://origsvn.digium.com/svn/asterisk/branches/1.4

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    r273793 | tilghman | 2010-07-02 16:36:39 -0500 (Fri, 02 Jul 2010) | 9 lines

    Have the DEADLOCK_AVOIDANCE macro warn when an unlock fails, to help catch potentially large software bugs.

    (closes issue #17407)
     Reported by: pdf
     Patches:
           20100527__issue17407.diff.txt uploaded by tilghman (license 14)

    Review: https://reviewboard.asterisk.org/r/751/
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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.2@273831 65c4cc65-6c06-0410-ace0-fbb531ad65f3