Use ternary operator where applicable

Aleksander Machniak

2015-11-16 8271597836eeb9b6f50062c1ce6d685cb61e0e72

 program/steps/addressbook/undo.inc

@@ -36,7 +36,7 @@
    $restored = !$plugin['abort'] ? $CONTACTS->undelete($cid) : $plugin['result'];

    if (!$restored) {
        $OUTPUT->show_message($plugin['message'] ? $plugin['message'] : 'contactrestoreerror', 'error');
        $OUTPUT->show_message($plugin['message'] ?: 'contactrestoreerror', 'error');
        $OUTPUT->command('list_contacts');
        $OUTPUT->send();
    }