Don't try to use internal visibility
Don't try to use internal visibility

A number of functions are passed as callbacks to external libraries, which
internal visiiblity doesn't allow.

BeamNG/openal-soft,alexxvk/openal-soft,irungentoo/openal-soft-tox,Wemersive/openal-soft,Wemersive/openal-soft,irungentoo/openal-soft-tox,arkana-fts/openal-soft,alexxvk/openal-soft,arkana-fts/openal-soft,aaronmjacobs/openal-soft,BeamNG/openal-soft,aaronmjacobs/openal-soft