Fix vulnerability in handling _session argument of utils/save-prefs (#1489382)

Aleksander Machniak

2013-10-17 037af6890fe6fdb84a08d3c86083e847c90ec0ad

 plugins/help/content/about.html

@@ -25,4 +25,3 @@

<p><br/>Website: <a href="http://roundcube.net">roundcube.net</a></p>
</div>
</div>