Do not set scope

Author: Girgias

ext/pdo/pdo_stmt.c

@@ -693,8 +693,8 @@ static bool pdo_call_fetch_object_constructor(zend_function *constructor, HashTa
 	zend_fcall_info_cache fcc = {
 		.function_handler = constructor,
 		.object = Z_OBJ_P(return_value),
-		.called_scope = Z_OBJCE_P(return_value),
-		.calling_scope = Z_OBJCE_P(return_value),
+		.called_scope = NULL,
+		.calling_scope = NULL,
 		.closure = NULL,
 	};