Merged revisions 257191 via svnmerge from

Merged revisions 257191 via svnmerge from
https://origsvn.digium.com/svn/asterisk/trunk

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  r257191 | tilghman | 2010-04-13 14:17:48 -0500 (Tue, 13 Apr 2010) | 10 lines

  Also unref the pvt when we delete the provisional keepalive job.

  (closes issue #16774)
   Reported by: kowalma
   Patches:
         20100315__issue16774.diff.txt uploaded by tilghman (license 14)
   Tested by: falves11, jamicque

  Review: https://reviewboard.asterisk.org/r/591/
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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.0@257206 65c4cc65-6c06-0410-ace0-fbb531ad65f3