Merged revisions 343900 via svnmerge from

Merged revisions 343900 via svnmerge from
https://origsvn.digium.com/svn/asterisk/branches/10

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  r343900 | dvossel | 2011-11-08 12:29:33 -0600 (Tue, 08 Nov 2011) | 11 lines

  Fixes regression caused by r343635

  There was a missing unlock for a function return that is only
  present in Asterisk 10 and Asterisk Trunk.

  (closes issue ASTERISK-18839)
  Reported by: Michael L. Young
  Patches:
      asterisk-18839-missing-lock-trunk-v2.diff (License #5026) patch uploaded by Michael L. Young
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@343905 65c4cc65-6c06-0410-ace0-fbb531ad65f3