ref: 00f74d4c7dceef7e21d9895c7a41c7abc777f0ee
parent: 12cd1ee23522e8659d3dbf303aa5fe50064534d7
author: Simon Tatham <anakin@pobox.com>
date: Thu May 31 14:10:10 EDT 2012
Bridges solver fix: in map_update_possibles, collect values from maxh/maxv for squares between islands as well as on islands. [originally from svn r9542]