really fix incorrect usage of zend_declare_class_constant_ex, for PHP >=7.2
really fix incorrect usage of zend_declare_class_constant_ex, for PHP >=7.2

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