Convert VarArgs tuple to Array for Reflect.makeVarArgs (closes #2937)

std/python/_std/Reflect.hx

@@ -153,7 +153,7 @@ class Reflect {
 	@:overload(function( f : Array<Dynamic> -> Void ) : Dynamic {})
 	public static function makeVarArgs( f : Array<Dynamic> -> Dynamic ) : Dynamic {
 		return function (v:VarArgs) {
-			return f(v);
+			return f(Builtin.list(v));
 		}
 	}