#2111 - Fix cufa call when return_value is reference
#2111 - Fix cufa call when return_value is reference

vpg/zephir,vpg/zephir,zephir-lang/zephir,zephir-lang/zephir,zephir-lang/zephir,vpg/zephir,zephir-lang/zephir,phalcon/zephir,phalcon/zephir,phalcon/zephir,vpg/zephir,phalcon/zephir,phalcon/zephir,vpg/zephir,zephir-lang/zephir,phalcon/zephir,vpg/zephir