Change the audiohook lock and unlock wrappers to macros instead of inline

functions.  As inline functions, the lock debug information will show that
these are always locked in audiohooks.h instead of the file where the lock was
actually acquired.


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@81264 65c4cc65-6c06-0410-ace0-fbb531ad65f3