[Commits] [wesnoth/wesnoth] a65596: Fixed: label editor could create empty undoable ac...

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/wesnoth/wesnoth
  Commit: a65596e5b54174c949d8a0d830234d49447b1bab
      https://github.com/wesnoth/wesnoth/commit/a65596e5b54174c949d8a0d830234d49447b1bab
  Author: Jyrki Vesterinen <sandgtx at gmail.com>
  Date:   2018-01-09 (Tue, 09 Jan 2018)

  Changed paths:
    M src/editor/action/mouse/mouse_action_map_label.cpp

  Log Message:
  -----------
  Fixed: label editor could create empty undoable action chain (#2306)

Empty action chains are not allowed, attempting to partially undo an empty
chain causes a fatal error.

This commit fixes some of the breakage reported in #2306, but not all.