update-wikipedia-docs.py: Fix ruleset location.
update-wikipedia-docs.py: Fix ruleset location.

adaxi/freeciv-web,andreasrosdal/freeciv-web,adaxi/freeciv-web,andreasrosdal/freeciv-web,andreasrosdal/freeciv-web,adaxi/freeciv-web,andreasrosdal/freeciv-web,adaxi/freeciv-web,andreasrosdal/freeciv-web,adaxi/freeciv-web