Cleanup stray PHP 4-style references in hook calls for navigation bars. We can't replace the live action from here, and don't need a reference to keep the object mutable. Dumping the references helps ensure we don't end up getting errors when things calling the hooks might forget to use the reference and the PHP error reporting settings expose this fact at us.

plugins/TwitterBridge/TwitterBridgePlugin.php

@@ -137,11 +137,11 @@ class TwitterBridgePlugin extends Plugin
     /*
      * Add a login tab for 'Sign in with Twitter'
      *
-     * @param Action &action the current action
+     * @param Action $action the current action
      *
      * @return void
      */
-    function onEndLoginGroupNav(&$action)
+    function onEndLoginGroupNav($action)
     {
         $action_name = $action->trimmed('action');
 
@@ -160,11 +160,11 @@ class TwitterBridgePlugin extends Plugin
     /**
      * Add the Twitter Settings page to the Connect Settings menu
      *
-     * @param Action &$action The calling page
+     * @param Action $action The calling page
      *
      * @return boolean hook return
      */
-    function onEndConnectSettingsNav(&$action)
+    function onEndConnectSettingsNav($action)
     {
         if (self::hasKeys()) {
             $action_name = $action->trimmed('action');