Merged revisions 74767 via svnmerge from

Merged revisions 74767 via svnmerge from
https://origsvn.digium.com/svn/asterisk/branches/1.4

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r74767 | russell | 2007-07-11 17:57:07 -0500 (Wed, 11 Jul 2007) | 13 lines

Merged revisions 74766 via svnmerge from
https://origsvn.digium.com/svn/asterisk/branches/1.2

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r74766 | russell | 2007-07-11 17:53:26 -0500 (Wed, 11 Jul 2007) | 5 lines

The function make_trunk() can fail and return -1 instead of a valid new call
number.  Fix the uses of this function to handle this instead of treating it
as the new call number.  This would cause a deadlock and memory corruption.
(possible cause of issue #9614 and others, patch by me)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@74769 65c4cc65-6c06-0410-ace0-fbb531ad65f3