Merged revisions 323392,323394 via svnmerge from

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

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  r323392 | rmudgett | 2011-06-14 12:21:24 -0500 (Tue, 14 Jun 2011) | 6 lines
  
  Add more strict hostname checking to ast_dnsmgr_lookup().
  
  Change suggested in review.
  
  Review: https://reviewboard.asterisk.org/r/1240/
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  r323394 | rmudgett | 2011-06-14 12:21:39 -0500 (Tue, 14 Jun 2011) | 2 lines
  
  Made ast_sockaddr_split_hostport() port warning msgs more meaningful.
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@323397 65c4cc65-6c06-0410-ace0-fbb531ad65f3