Merged revisions 152368 via svnmerge from

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

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  r152368 | tilghman | 2008-10-28 12:04:56 -0500 (Tue, 28 Oct 2008) | 8 lines
  
  Reset all DIAL variables back to blank, in case Dial is called multiple times
  per call (which could otherwise lead to inconsistent status reports).
  (closes issue #13216)
   Reported by: ruddy
   Patches: 
         20081014__bug13216.diff.txt uploaded by Corydon76 (license 14)
   Tested by: ruddy
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@152369 65c4cc65-6c06-0410-ace0-fbb531ad65f3