Merged revisions 374763 via svnmerge from

Merged revisions 374763 via svnmerge from
file:///srv/subversion/repos/asterisk/branches/10

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  r374763 | rmudgett | 2012-10-09 17:19:26 -0500 (Tue, 09 Oct 2012) | 15 lines

  Fix execution of 'i' extension due to uninitialized variable.

  The fix for ASTERISK-18243 added code that could potentially use
  dst_exten[] uninitialized.  As a result the 'i' exten may not be executed
  when it should.

  (closes issue ASTERISK-20455)
  Reported by: Richard Miller
  Patches:
        pbx-1.8.16.0.diff (license #5685) patch uploaded by Richard Miller
        Made some cosmetic modifications.
  ........

  Merged revisions 374758 from http://svn.asterisk.org/svn/asterisk/branches/1.8
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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/10-digiumphones@374783 65c4cc65-6c06-0410-ace0-fbb531ad65f3