-static void php_http_client_datashare_object_write_prop(zval *object, zval *member, zval *value, const zend_literal *literal_key TSRMLS_DC);
+static void php_http_client_datashare_object_write_prop(zval *object, zval *member, zval *value
+#if PHP_VERSION_ID >= 50400
+, const zend_literal *literal_key
+#endif
+TSRMLS_DC);