Merged revisions 228078 via svnmerge from

Merged revisions 228078 via svnmerge from
https://origsvn.digium.com/svn/asterisk/branches/1.4

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  r228078 | dbrooks | 2009-11-05 12:59:41 -0600 (Thu, 05 Nov 2009) | 9 lines

  chan_misdn Asterisk 1.4.27-rc2 crash

  Crash related to chan_misdn connection. Patch submitted by gknispel_proformatique, tested
  by francesco_r. "I have many crash since i have upgraded to Asterisk 1.4.27-rc2. Attached
  a full bt." This patch zeros out an ast_frame.

  (closes issue #16041)
  Reported by: francesco_r
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@228145 65c4cc65-6c06-0410-ace0-fbb531ad65f3