Style: Apply new changes from clang-format 8.0

It seems to stay compatible with formatting done by clang-format 6.0 and 7.0,
so contributors can keep using those versions for now (they will not undo those
changes).

modules/visual_script/visual_script_builtin_funcs.cpp

@@ -1287,7 +1287,8 @@ void VisualScriptBuiltinFunc::exec_func(BuiltinFunc p_func, const Variant **p_in
 			*r_return = String(color);
 
 		} break;
-		default: {}
+		default: {
+		}
 	}
 }