[Commits] [wesnoth/wesnoth] aa1ea0: Use boost::none instead of boost::none_t()

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/wesnoth/wesnoth
  Commit: aa1ea043bbf52d509197eab91ab85c70e633d69e
      https://github.com/wesnoth/wesnoth/commit/aa1ea043bbf52d509197eab91ab85c70e633d69e
  Author: Celtic Minstrel <celtic.minstrel.ca at some.place>
  Date:   2015-12-25 (Fri, 25 Dec 2015)

  Changed paths:
    M src/play_controller.hpp

  Log Message:
  -----------
  Use boost::none instead of boost::none_t()

Fixes bug 24227