Fix possible null inspection 
Fix possible null inspection 

Triggers in a future vresion of resharper. Also add a comment to better explain what's going on with reflection.
DrabWeb/osu-framework,ZLima12/osu-framework,Tom94/osu-framework,EVAST9919/osu-framework,Nabile-Rahmani/osu-framework,DrabWeb/osu-framework,default0/osu-framework,EVAST9919/osu-framework,ppy/osu-framework,DrabWeb/osu-framework,default0/osu-framework,smoogipooo/osu-framework,ppy/osu-framework,peppy/osu-framework,Nabile-Rahmani/osu-framework,ppy/osu-framework,smoogipooo/osu-framework,peppy/osu-framework,EVAST9919/osu-framework,ZLima12/osu-framework,peppy/osu-framework,Tom94/osu-framework,EVAST9919/osu-framework