Fixed PHP notices in mailman installer.

tbrehm

2011-07-22 8fe9ab67555e62100f764676f47f3ebb1a22ad8a

 interface/lib/classes/tform_actions.inc.php

@@ -315,7 +315,7 @@
                  $next_tab = $app->tform->getCurrentTab();
                      $this->loadPlugins($next_tab);
                  
						
                	
                        // Call plugin
                        foreach($this->plugins as $plugin) {
                                $plugin->onDelete();