Merged revisions 228692 via svnmerge from

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

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  r228692 | dvossel | 2009-11-06 16:33:27 -0600 (Fri, 06 Nov 2009) | 9 lines
  
  fixes audiohook write crash occuring in chan_spy whisper mode.
  
  After writing to the audiohook list in ast_write(), frames
  were being freed incorrectly.  Under certain conditions this
  resulted in a double free crash.
  
  (closes issue #16133)
  Reported by: wetwired

  (closes issue #16045)
  Reported by: bluecrow76
  Patches:
        issue16045.diff uploaded by dvossel (license 671)
  Tested by: bluecrow76, dvossel, habile
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@228693 65c4cc65-6c06-0410-ace0-fbb531ad65f3