Merged revisions 262662 via svnmerge from

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

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  r262662 | dvossel | 2010-05-12 12:00:04 -0500 (Wed, 12 May 2010) | 11 lines
  
  fixes app_meetme dsp error
  
  We attempted to detect silence after translating a frame
  from signed linear.  This caused a flooding of errors.  To
  resolve this the code to detect silence was moved before the
  translation.
  
  (closes issue #17133)
  Reported by: jsdyer
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@262744 65c4cc65-6c06-0410-ace0-fbb531ad65f3