Merged revisions 189462 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.4

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  r189462 | seanbright | 2009-04-20 16:58:39 -0400 (Mon, 20 Apr 2009) | 13 lines
  
  Properly handle @s within hints in AEL.
  
  AEL was not handling the case of a device hint containing an @ symbol, which
  caused parking hints (e.g. hint(park:exten@context)) to error out the parser.
  This patch makes AEL treat the @ the same way it treats colon and ampersand
  now, meaning the characters are included in verbatim.
  
  (closes issue #14941)
  Reported by: bpgoldsb
  Patches:
        bug14941.patch uploaded by seanbright (license 71)
  Tested by: bpgoldsb
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