Merged revisions 91074 via svnmerge from

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

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r91074 | russell | 2007-12-04 18:48:47 -0600 (Tue, 04 Dec 2007) | 4 lines

When DEBUG_THREADS is enabled, we only have the details about who is holding
a lock that we are waiting on for a mutex, not rwlocks.  This should fix the
problem where people have reported "core show locks" crashing sometimes.

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@91077 65c4cc65-6c06-0410-ace0-fbb531ad65f3