Merged revisions 328593 via svnmerge from

Merged revisions 328593 via svnmerge from
https://origsvn.digium.com/svn/asterisk/branches/1.8

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  r328593 | markm | 2011-07-18 08:06:50 -0400 (Mon, 18 Jul 2011) | 8 lines

  Fixed invalid read and null pointer deref on asterisk shutdown.

  In some cases when starting asterisk with -c and hitting control-c to shutdown, there will be an invalid read and null pointer deref causing a crash.

  (closes issue ASTERISK-17927)
  Reported by: Mark Murawski
  Tested by: Mark Murawski, Kinsey Moore, Tilghman Lesher
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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.10@328609 65c4cc65-6c06-0410-ace0-fbb531ad65f3