Merged revisions 165797 via svnmerge from

Merged revisions 165797 via svnmerge from
https://origsvn.digium.com/svn/asterisk/trunk

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  r165797 | tilghman | 2008-12-18 15:41:02 -0600 (Thu, 18 Dec 2008) | 15 lines

  Merged revisions 165767 via svnmerge from
  https://origsvn.digium.com/svn/asterisk/branches/1.4

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    r165767 | tilghman | 2008-12-18 15:14:47 -0600 (Thu, 18 Dec 2008) | 8 lines

    Add mutexes around accesses to the IMAP library interface.  This prevents
    certain crashes, especially when shared mailboxes are used.
    (closes issue #13653)
     Reported by: howardwilkinson
     Patches:
           asterisk-1.4.21.2-appvoicemail-sharedimap-lock.patch uploaded by howardwilkinson (license 590)
     Tested by: jpeeler
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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.0@165806 65c4cc65-6c06-0410-ace0-fbb531ad65f3