use m_buffer for gc instead since it is the target
use m_buffer for gc instead since it is the target

luebking/fluxbox,luebking/fluxbox,naimdjon/fluxbox,naimdjon/fluxbox,lukoko/fluxbox,luebking/fluxbox,Arkq/fluxbox,olivergondza/fluxbox,lukoko/fluxbox,naimdjon/fluxbox,Arkq/fluxbox,lukoko/fluxbox,naimdjon/fluxbox,olivergondza/fluxbox,olivergondza/fluxbox,lukoko/fluxbox,luebking/fluxbox,naimdjon/fluxbox,olivergondza/fluxbox,olivergondza/fluxbox,luebking/fluxbox,Arkq/fluxbox,Arkq/fluxbox,Arkq/fluxbox,lukoko/fluxbox