Merged revisions 273717 via svnmerge from

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

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  r273717 | tilghman | 2010-07-02 12:09:47 -0500 (Fri, 02 Jul 2010) | 8 lines
  
  Autoservice loop optimization causes a busy loop, when channels are serviced while in hangup.
  
  (closes issue #17564)
   Reported by: ramonpeek
   Patches: 
         20100630__issue17564.diff.txt uploaded by tilghman (license 14)
   Tested by: ramonpeek
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@273718 65c4cc65-6c06-0410-ace0-fbb531ad65f3