Merged revisions 17702 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.2

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r17702 | file | 2006-04-05 17:01:19 -0300 (Wed, 05 Apr 2006) | 2 lines

Unlock channel on failure so that ast_mutex_destroy doesn't throw a fit (issue #6647 reported by casper)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@17726 65c4cc65-6c06-0410-ace0-fbb531ad65f3