Switch alListener.c to the new error handling scheme, and get rid of more hungarian notation
Switch alListener.c to the new error handling scheme, and get rid of more hungarian notation

jims/openal-soft,arkana-fts/openal-soft,alexxvk/openal-soft,EddieRingle/openal-soft,rryan/openal-soft,dapetcu21/openal-soft,irungentoo/openal-soft-tox,rryan/openal-soft,franklixuefei/openal-soft,EddieRingle/openal-soft,alexxvk/openal-soft,mmozeiko/OpenAL-Soft,aaronmjacobs/openal-soft,jims/openal-soft,Wemersive/openal-soft,irungentoo/openal-soft-tox,arkana-fts/openal-soft,BeamNG/openal-soft,mmozeiko/OpenAL-Soft,Wemersive/openal-soft,franklixuefei/openal-soft,aaronmjacobs/openal-soft,BeamNG/openal-soft