Transform fill_bits from recursive to iterative
Transform fill_bits from recursive to iterative

Avoids crashes when generating polygons from big bitmaps.

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