Merged revisions 218223 via svnmerge from

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

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  r218223 | mnicholson | 2009-09-14 09:53:57 -0500 (Mon, 14 Sep 2009) | 8 lines
  
  Ensure we don't pickup ourselves when doing pickup by exten.
  
  (closes issue #15100)
  Reported by: lmsteffan
  Patches:
        (modified) pickup.patch uploaded by lmsteffan (license 779)
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@218224 65c4cc65-6c06-0410-ace0-fbb531ad65f3