scan.js: fix imports
MODIFY
src/scan.js
src/scan.js
// We don't use it in normal operation, but we export it for use in tests
// (both automatic and manual).
-import { getOwnPropertyDescriptors, getPrototypeOf, ownKeys } from './commons';
+import { getOwnPropertyDescriptors, getPrototypeOf, hasOwnProperty,
+ ownKeys } from './commons';
export function walkObjects(start, visitor) {
const visitQueue = new Map();

scan.js: fix imports