fix following endpoint (#531)

* fix following endpoint

* version bump

README.md

@@ -3,7 +3,7 @@
 **Tags:** OStatus, fediverse, activitypub, activitystream  
 **Requires at least:** 4.7  
 **Tested up to:** 6.3  
-**Stable tag:** 1.0.8  
+**Stable tag:** 1.0.9  
 **Requires PHP:** 5.6  
 **License:** MIT  
 **License URI:** http://opensource.org/licenses/MIT  
@@ -105,6 +105,10 @@ Where 'blog' is the path to the subdirectory at which your blog resides.
 
 Project maintained on GitHub at [automattic/wordpress-activitypub](https://github.com/automattic/wordpress-activitypub).
 
+### 1.0.9 ###
+
+* Fixed: broken following endpoint
+
 ### 1.0.8 ###
 
 * Fixed: blocking of HEAD requests

activitypub.php

@@ -3,7 +3,7 @@
  * Plugin Name: ActivityPub
  * Plugin URI: https://github.com/pfefferle/wordpress-activitypub/
  * Description: The ActivityPub protocol is a decentralized social networking protocol based upon the ActivityStreams 2.0 data format.
- * Version: 1.0.8
+ * Version: 1.0.9
  * Author: Matthias Pfefferle & Automattic
  * Author URI: https://automattic.com/
  * License: MIT

includes/rest/class-following.php

@@ -1,6 +1,7 @@
 <?php
 namespace Activitypub\Rest;
 
+use WP_REST_Response;
 use Activitypub\Collection\Users as User_Collection;
 
 use function Activitypub\is_single_user;

readme.txt

@@ -3,7 +3,7 @@ Contributors: automattic, pfefferle, mediaformat, mattwiebe, akirk, jeherve, nur
 Tags: OStatus, fediverse, activitypub, activitystream
 Requires at least: 4.7
 Tested up to: 6.3
-Stable tag: 1.0.8
+Stable tag: 1.0.9
 Requires PHP: 5.6
 License: MIT
 License URI: http://opensource.org/licenses/MIT
@@ -105,6 +105,10 @@ Where 'blog' is the path to the subdirectory at which your blog resides.
 
 Project maintained on GitHub at [automattic/wordpress-activitypub](https://github.com/automattic/wordpress-activitypub).
 
+= 1.0.9 =
+
+* Fixed: broken following endpoint
+
 = 1.0.8 =
 
 * Fixed: blocking of HEAD requests