Add some goto help.
Add some goto help.

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