[Commits] [wesnoth/wesnoth] 7ce919: fixup compilation for OS X

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/wesnoth/wesnoth
  Commit: 7ce9199e470025b69935812d8445fc280767fb42
      https://github.com/wesnoth/wesnoth/commit/7ce9199e470025b69935812d8445fc280767fb42
  Author: Chris Beck <render787 at gmail.com>
  Date:   2014-10-27 (Mon, 27 Oct 2014)

  Changed paths:
    M src/map_location.hpp

  Log Message:
  -----------
  fixup compilation for OS X

Apparently OS X does not provide an int std::abs(int) at all, or
we aren't including it properly or someting. I work around this.