Coding Standards: Always use parentheses when instantiating an object.

Note: This will be enforced by WPCS 3.0.0.

Props jrf.
See #56791.

git-svn-id: https://develop.svn.wordpress.org/trunk@54891 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php

@@ -1121,7 +1121,7 @@ class WP_REST_Users_Controller extends WP_REST_Controller {
 	 * @return object User object.
 	 */
 	protected function prepare_item_for_database( $request ) {
-		$prepared_user = new stdClass;
+		$prepared_user = new stdClass();
 
 		$schema = $this->get_item_schema();