Update to Freeciv server r35269.
Update to Freeciv server r35269.

Freeciv commit message:
webperimental: enable restrictinfra by default...

...but limit it to railroads.

See hrm Feature #653510

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