config plugin fix for incorrect construction of redirect url

darcs-hash:20060130141843-9b6ab-ae98b660e830c37c652e96c8d0b28c24ddea0ba2.gz

lib/plugins/config/admin.php

@@ -79,7 +79,7 @@ class admin_plugin_config extends DokuWiki_Admin_Plugin {
         // save state & force a page reload to get the new settings to take effect
         $_SESSION['PLUGIN_CONFIG'] = array('state' => 'updated', 'time' => time());
         $this->_close_session();
-        header("Location: ".wl($ID)."?do=admin&page=config");
+        header("Location: ".wl($ID,'do=admin&page=config'));
         exit();
       }