GDScript: fix default value for autoexported typed vars
GDScript: fix default value for autoexported typed vars

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