Merged revisions 241766 via svnmerge from

Merged revisions 241766 via svnmerge from
https://origsvn.digium.com/svn/asterisk/trunk

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  r241766 | tilghman | 2010-01-20 23:54:30 -0600 (Wed, 20 Jan 2010) | 9 lines

  Merged revisions 241765 via svnmerge from
  https://origsvn.digium.com/svn/asterisk/branches/1.4

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    r241765 | tilghman | 2010-01-20 23:53:17 -0600 (Wed, 20 Jan 2010) | 2 lines

    Guard against division by zero.
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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.2@241769 65c4cc65-6c06-0410-ace0-fbb531ad65f3