Merged revisions 182449 via svnmerge from

Merged revisions 182449 via svnmerge from
https://origsvn.digium.com/svn/asterisk/branches/1.4

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  r182449 | tilghman | 2009-03-17 00:50:52 -0500 (Tue, 17 Mar 2009) | 7 lines

  Fix race in astdb
  The underlying db1 implementation does not fully isolate the pages retrieved
  from astdb, so the lock protecting accesses needs to be extended until the
  copy from the shared memory structure is done.
  (closes issue #14682)
   Reported by: makoto
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@182450 65c4cc65-6c06-0410-ace0-fbb531ad65f3