Merged revisions 313700 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.8

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  r313700 | rmudgett | 2011-04-13 17:52:47 -0500 (Wed, 13 Apr 2011) | 5 lines
  
  Revert flushing stale AsyncAGI commands from -r313615.
  
  It looks like it was intentional to leave any commands or in-flight
  commands in the queue in case Async AGI is run again on the call.
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@313701 65c4cc65-6c06-0410-ace0-fbb531ad65f3