directwrite: fix indentation
directwrite: fix indentation

libass/libass,astiob/libass,mwgoldsmith/libass,torque/libass,sanyaade-g2g-repos/libass,grigorig/libass,Akemi/libass,sanyaade-g2g-repos/libass,mwgoldsmith/libass,mwgoldsmith/libass,torque/libass,xbmc/libass,Akemi/libass,grigorig/libass,ShiftMediaProject/libass,libass/libass,stps/libass,MrSmile/libass,Akemi/libass,xbmc/libass,MrSmile/libass,sanyaade-g2g-repos/libass,stps/libass,stps/libass,ShiftMediaProject/libass,torque/libass,astiob/libass