Fix hard crash due to spinner spin requirement being zero
Fix hard crash due to spinner spin requirement being zero

Resolves #2133.
naoey/osu,UselessToucan/osu,UselessToucan/osu,naoey/osu,DrabWeb/osu,johnneijzen/osu,ppy/osu,smoogipoo/osu,DrabWeb/osu,ZLima12/osu,Nabile-Rahmani/osu,Frontear/osuKyzer,peppy/osu,NeoAdonis/osu,naoey/osu,2yangk23/osu,DrabWeb/osu,ppy/osu,2yangk23/osu,smoogipoo/osu,NeoAdonis/osu,ppy/osu,EVAST9919/osu,EVAST9919/osu,smoogipoo/osu,smoogipooo/osu,ZLima12/osu,peppy/osu,peppy/osu,johnneijzen/osu,peppy/osu-new,NeoAdonis/osu,UselessToucan/osu