Handle missing file properly when checking for case mismatch
Handle missing file properly when checking for case mismatch

This was causing false alarms to be randomly reported on Windows for files that didn't exist.

Valentactive/godot,DmitriySalnikov/godot,Zylann/godot,Paulloz/godot,vkbsb/godot,Shockblast/godot,pkowal1982/godot,BastiaanOlij/godot,josempans/godot,guilhermefelipecgs/godot,ex/godot,Faless/godot,akien-mga/godot,vkbsb/godot,guilhermefelipecgs/godot,sanikoyes/godot,godotengine/godot,firefly2442/godot,MarianoGnu/godot,Zylann/godot,Shockblast/godot,Zylann/godot,Shockblast/godot,pkowal1982/godot,Zylann/godot,vnen/godot,Paulloz/godot,firefly2442/godot,MarianoGnu/godot,Valentactive/godot,vkbsb/godot,godotengine/godot,vkbsb/godot,ZuBsPaCe/godot,pkowal1982/godot,godotengine/godot,Paulloz/godot,guilhermefelipecgs/godot,vkbsb/godot,Faless/godot,Faless/godot,DmitriySalnikov/godot,ex/godot,DmitriySalnikov/godot,guilhermefelipecgs/godot,BastiaanOlij/godot,akien-mga/godot,DmitriySalnikov/godot,BastiaanOlij/godot,Shockblast/godot,Shockblast/godot,DmitriySalnikov/godot,BastiaanOlij/godot,josempans/godot,pkowal1982/godot,akien-mga/godot,Shockblast/godot,akien-mga/godot,Valentactive/godot,Faless/godot,firefly2442/godot,ZuBsPaCe/godot,Valentactive/godot,BastiaanOlij/godot,Paulloz/godot,DmitriySalnikov/godot,firefly2442/godot,Valentactive/godot,josempans/godot,vkbsb/godot,ZuBsPaCe/godot,BastiaanOlij/godot,honix/godot,akien-mga/godot,MarianoGnu/godot,vnen/godot,sanikoyes/godot,honix/godot,Zylann/godot,honix/godot,vnen/godot,vnen/godot,BastiaanOlij/godot,godotengine/godot,Shockblast/godot,firefly2442/godot,vnen/godot,vkbsb/godot,firefly2442/godot,ZuBsPaCe/godot,ex/godot,MarianoGnu/godot,ZuBsPaCe/godot,MarianoGnu/godot,MarianoGnu/godot,vkbsb/godot,Valentactive/godot,pkowal1982/godot,Faless/godot,MarianoGnu/godot,DmitriySalnikov/godot,vnen/godot,ZuBsPaCe/godot,ZuBsPaCe/godot,BastiaanOlij/godot,guilhermefelipecgs/godot,godotengine/godot,godotengine/godot,Paulloz/godot,josempans/godot,Zylann/godot,ZuBsPaCe/godot,Zylann/godot,pkowal1982/godot,guilhermefelipecgs/godot,guilhermefelipecgs/godot,ex/godot,Paulloz/godot,ex/godot,vnen/godot,firefly2442/godot,Paulloz/godot,josempans/godot,Zylann/godot,sanikoyes/godot,josempans/godot,guilhermefelipecgs/godot,godotengine/godot,sanikoyes/godot,pkowal1982/godot,akien-mga/godot,ex/godot,pkowal1982/godot,sanikoyes/godot,MarianoGnu/godot,honix/godot,godotengine/godot,akien-mga/godot,ex/godot,Faless/godot,Faless/godot,vnen/godot,honix/godot,Valentactive/godot,sanikoyes/godot,akien-mga/godot,josempans/godot,sanikoyes/godot,josempans/godot,ex/godot,sanikoyes/godot,Valentactive/godot,firefly2442/godot,Shockblast/godot,honix/godot,Faless/godot