Merged revisions 290378 via svnmerge from

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

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  r290378 | dvossel | 2010-10-05 15:09:06 -0500 (Tue, 05 Oct 2010) | 11 lines
  
  Resolves dnsmgr memory corruption in chan_iax2.
  
  (closes issue #17902)
  Reported by: afried
  Patches:
        issue_17902.rev1.txt uploaded by russell (license 2)
  Tested by: afried, russell, dvossel
  
  Review: https://reviewboard.asterisk.org/r/965/
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@290379 65c4cc65-6c06-0410-ace0-fbb531ad65f3