fix various bugs in the DEBUG_THREADS code including:

- misspelled ast_mutex_logger() instead of __ast_mutex_logger()
- misplaced #define ast_mutex_init(pmutex)
- wrong arguments to __ast_mutex_logger() in one instance.

Clearly this code is too spaghetti!



git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@19396 65c4cc65-6c06-0410-ace0-fbb531ad65f3