Merged revisions 305692 via svnmerge from

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

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  r305692 | qwell | 2011-02-01 16:48:16 -0600 (Tue, 01 Feb 2011) | 7 lines
  
  Reverse sense of an error test when reading from astdb.
  
  (closes issue #18545)
  Reported by: jcovert
  Patches: 
        chan_iax2.c.patch uploaded by jcovert (license 551)
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@305693 65c4cc65-6c06-0410-ace0-fbb531ad65f3