Merged revisions 296628 via svnmerge from

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

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  r296628 | russell | 2010-11-29 15:26:44 -0600 (Mon, 29 Nov 2010) | 6 lines
  
  Complete some error handling in transmit_publish() in chan_sip.c.
  
  This error handling block caught my eye.  It was missing a couple of things,
  but it should be safe now.  Thanks to mmichelson for the quick peer review
  on IRC.
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@296630 65c4cc65-6c06-0410-ace0-fbb531ad65f3