Minor @var cleanup in Counters

classes/Counters.php

@@ -265,11 +265,11 @@ class Counters {
 		}
 
 		foreach (PluginHost::getInstance()->get_feeds(Feeds::CATEGORY_SPECIAL) as $feed) {
-			/** @var IVirtualFeed $feed['sender'] */
-
 			if (!implements_interface($feed['sender'], 'IVirtualFeed'))
 				continue;
 
+			/** @var Plugin&IVirtualFeed $feed['sender'] */
+
 			$cv = [
 				"id" => PluginHost::pfeed_to_feed_id($feed['id']),
 				"counter" => $feed['sender']->get_unread($feed['id'])