Merged revisions 280391 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.8

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  r280391 | russell | 2010-07-29 11:25:43 -0500 (Thu, 29 Jul 2010) | 2 lines
  
  Don't blow up if get_codec() was not provided in the RTP glue.
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@280395 65c4cc65-6c06-0410-ace0-fbb531ad65f3