Merged revisions 72850 via svnmerge from

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

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r72850 | crichter | 2007-07-02 10:14:43 +0200 (Mo, 02 Jul 2007) | 9 lines

Merged revisions 72087 via svnmerge from 
https://origsvn.digium.com/svn/asterisk/branches/1.2

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r72087 | crichter | 2007-06-27 11:26:53 +0200 (Mi, 27 Jun 2007) | 1 line

simplified channel finding and locking a lot. removed unnecessary #ifdefed areas.
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@72867 65c4cc65-6c06-0410-ace0-fbb531ad65f3