Merged revisions 245729 via svnmerge from

Merged revisions 245729 via svnmerge from
https://origsvn.digium.com/svn/asterisk/trunk

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  r245729 | tilghman | 2010-02-09 12:06:30 -0600 (Tue, 09 Feb 2010) | 8 lines

  Ensure frames are only freed once.

  (closes issue #16361)
   Reported by: vlad
   Patches:
         20100208__issue16361.diff.txt uploaded by tilghman (license 14)
   Tested by: kenny, bloodoff, misaksen
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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.2@245732 65c4cc65-6c06-0410-ace0-fbb531ad65f3