Merged revisions 336570 via svnmerge from

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

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  r336570 | rmudgett | 2011-09-19 10:32:00 -0500 (Mon, 19 Sep 2011) | 11 lines
  
  Merged revisions 336569 via svnmerge from 
  https://origsvn.digium.com/svn/asterisk/branches/1.8
  
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    r336569 | rmudgett | 2011-09-19 10:25:34 -0500 (Mon, 19 Sep 2011) | 4 lines
    
    Rework sig_pri_hangup() to be simpler and clearer.
    
    JIRA AST-675
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@336571 65c4cc65-6c06-0410-ace0-fbb531ad65f3