fix a buffer overflow due to a misbehaving vcrt snprintf call on String::num, at core/string/ustring.cpp
fix a buffer overflow due to a misbehaving vcrt snprintf call on String::num, at core/string/ustring.cpp

BastiaanOlij/godot,godotengine/godot,sanikoyes/godot,sanikoyes/godot,sanikoyes/godot,godotengine/godot,BastiaanOlij/godot,godotengine/godot,BastiaanOlij/godot,BastiaanOlij/godot,BastiaanOlij/godot,sanikoyes/godot,sanikoyes/godot,BastiaanOlij/godot,BastiaanOlij/godot,godotengine/godot,sanikoyes/godot,sanikoyes/godot,godotengine/godot,BastiaanOlij/godot,godotengine/godot,sanikoyes/godot,godotengine/godot,godotengine/godot