jamespetts/simutrans-experimental — pull request #19 by pipcet (2014-08-16 19:40:20+00:00)
Title: re-enable building bridges when expanding a city

brueckenbauer_t::finde_ende sets err to "" on success, sometimes, and we didn't catch that case, so hardly any bridges were being built by stadt_t::build_bridge.

Lightly tested and fairly obvious.