Protected function prepare with array $args defaulting to array()

plugins/Autocomplete/actions/autocomplete.php

@@ -89,7 +89,7 @@ class AutocompleteAction extends Action
             $this->lastModified())) . '"';
     }
 
-    protected function prepare($args)
+    protected function prepare(array $args=array())
     {
         // If we die, show short error messages.
         StatusNet::setApi(true);

plugins/OStatus/actions/ostatusinit.php

@@ -35,7 +35,7 @@ class OStatusInitAction extends Action
     var $profile;
     var $err;
 
-    protected function prepare($args)
+    protected function prepare(array $args=array())
     {
         parent::prepare($args);
 

plugins/OStatus/actions/pushhub.php

@@ -47,7 +47,7 @@ class PushHubAction extends Action
         return parent::arg($arg, $def);
     }
 
-    protected function prepare($args)
+    protected function prepare(array $args=array())
     {
         StatusNet::setApi(true); // reduce exception reports to aid in debugging
         return parent::prepare($args);