Merged revisions 106237 via svnmerge from

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

........
r106237 | russell | 2008-03-05 16:37:09 -0600 (Wed, 05 Mar 2008) | 3 lines

Fix a potential deadlock and a few different potential crashes.
(closes issue #12145, reported by thiagarcia, patched by me)

........


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@106238 65c4cc65-6c06-0410-ace0-fbb531ad65f3