Fix bad import path.

Author: taeold

src/v1/cloud-functions.ts

@@ -27,7 +27,7 @@ export { Request, Response };
 import { convertIfPresent, copyIfPresent } from '../common/encoding';
 import { ManifestEndpoint, ManifestRequiredAPI } from '../runtime/manifest';
 
-export { Change } from './common/change';
+export { Change } from '../common/change';
 
 /** @hidden */
 const WILDCARD_REGEX = new RegExp('{[^/{}]*}', 'g');