Merged revisions 224670 via svnmerge from

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

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  r224670 | kpfleming | 2009-10-19 18:44:07 -0500 (Mon, 19 Oct 2009) | 7 lines
  
  Correct timestamp calculations when RTP sample rates over 8kHz are used.
  
  While testing some endpoints that support 16kHz and 32kHz sample rates, some
  log messages were generated due to calc_rxstamp() computing timestamps in a way
  that produced odd results, so this patch sanitizes the result of the
  computations.
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@224671 65c4cc65-6c06-0410-ace0-fbb531ad65f3