GDScript: Fix undefined behavior on GDScriptTokenizerBuffer
GDScript: Fix undefined behavior on GDScriptTokenizerBuffer

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