Fix memory leaks from download buttons
Fix memory leaks from download buttons

UselessToucan/osu,smoogipoo/osu,UselessToucan/osu,smoogipoo/osu,2yangk23/osu,NeoAdonis/osu,ZLima12/osu,ppy/osu,NeoAdonis/osu,peppy/osu,johnneijzen/osu,2yangk23/osu,UselessToucan/osu,EVAST9919/osu,peppy/osu,smoogipooo/osu,peppy/osu,ppy/osu,ZLima12/osu,NeoAdonis/osu,johnneijzen/osu,peppy/osu-new,smoogipoo/osu,EVAST9919/osu,ppy/osu