Blocked revisions 159158 via svnmerge

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r159158 | russell | 2008-11-25 11:34:50 -0600 (Tue, 25 Nov 2008) | 2 lines

Add ao2_trylock() to go along with ao2_lock() and ao2_unlock()

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@159159 65c4cc65-6c06-0410-ace0-fbb531ad65f3