[Mailman] False URL on the moderation page

ISPConfig 3.1 and 3.1.1p1

Mailman 1:2.1.18-2+deb8u1

https://www.howtoforge.com/community/threads/url-issue-with-mailman.74232/

Since the update debian wheezy --> jessie, I have to fix the url manually to access properly the moderation page for all new created lists :

withlist -l -r fix_url LISTNAME