Merged revisions 292595 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.8

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  r292595 | dvossel | 2010-10-21 11:14:33 -0500 (Thu, 21 Oct 2010) | 14 lines
  
  Fixes recursive lock problem in manager.c
  
  It is possible for a AMI session to freeze because of invalid
  use of recursive locks during the EVENT processing.  This
  patch removes the unnecessary locks.
  
  (closes issue #18167)
  Reported by: sustav
  Patches:
        manager_locking_v1.diff uploaded by dvossel (license 671)
  Tested by: sustav
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@292597 65c4cc65-6c06-0410-ace0-fbb531ad65f3