Merged revisions 128795 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.4

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r128795 | russell | 2008-07-07 17:41:48 -0500 (Mon, 07 Jul 2008) | 8 lines

Fix handling of when a pvt disappears.  Properly return the pvt locked
and don't hold the pvt lock while destroying the ast_channel.

(closes issue #13014)
Reported by: jpgrayson
Patches:
      chan_iax2_ast_iax2_new2.patch uploaded by jpgrayson (license 492)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@128796 65c4cc65-6c06-0410-ace0-fbb531ad65f3