Merged revisions 291829 via svnmerge from

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

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  r291829 | dvossel | 2010-10-14 17:09:32 -0500 (Thu, 14 Oct 2010) | 8 lines
  
  Set TCLASS field of IPv6 header when sip qos options are set.
  
  (closes issue #18099)
  Reported by: jamesnet
  Patches:
        issues_18099_v2.diff uploaded by dvossel (license 671)
  Tested by: dvossel, jamesnet
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@291830 65c4cc65-6c06-0410-ace0-fbb531ad65f3