Fix wrong comment and use cheaper destruction macro (php#17359)

Author: ndossche

ext/standard/user_filters.c

@@ -357,8 +357,8 @@ PHP_FUNCTION(stream_bucket_make_writeable)
 		ZVAL_RES(&zbucket, zend_register_resource(bucket, le_bucket));
 		object_init_ex(return_value, stream_bucket_class_entry);
 		zend_update_property(Z_OBJCE_P(return_value), Z_OBJ_P(return_value), ZEND_STRL("bucket"), &zbucket);
-		/* add_property_zval increments the refcount which is unwanted here */
-		zval_ptr_dtor(&zbucket);
+		/* zend_update_property increments the refcount which is unwanted here */
+		Z_DELREF(zbucket);
 		zend_update_property_stringl(Z_OBJCE_P(return_value), Z_OBJ_P(return_value), ZEND_STRL("data"), bucket->buf, bucket->buflen);
 		zend_update_property_long(Z_OBJCE_P(return_value), Z_OBJ_P(return_value), ZEND_STRL("datalen"), bucket->buflen);
 		zend_update_property_long(Z_OBJCE_P(return_value), Z_OBJ_P(return_value), ZEND_STRL("dataLength"), bucket->buflen);
@@ -461,8 +461,8 @@ PHP_FUNCTION(stream_bucket_new)
 	ZVAL_RES(&zbucket, zend_register_resource(bucket, le_bucket));
 	object_init_ex(return_value, stream_bucket_class_entry);
 	zend_update_property(Z_OBJCE_P(return_value), Z_OBJ_P(return_value), ZEND_STRL("bucket"), &zbucket);
-	/* add_property_zval increments the refcount which is unwanted here */
-	zval_ptr_dtor(&zbucket);
+	/* zend_update_property increments the refcount which is unwanted here */
+	Z_DELREF(zbucket);
 	zend_update_property_stringl(Z_OBJCE_P(return_value), Z_OBJ_P(return_value), ZEND_STRL("data"), bucket->buf, bucket->buflen);
 	zend_update_property_long(Z_OBJCE_P(return_value), Z_OBJ_P(return_value), ZEND_STRL("datalen"), bucket->buflen);
 	zend_update_property_long(Z_OBJCE_P(return_value), Z_OBJ_P(return_value), ZEND_STRL("dataLength"), bucket->buflen);