[wesnoth-commits] [wesnoth/wesnoth] a7e65d: fix wmlunits crash (#3931)

[elias-pschernig]

  Branch: refs/heads/master
  Home:   https://github.com/wesnoth/wesnoth
  Commit: a7e65de2dedd144fe879543d9027e09c85b555dc
      https://github.com/wesnoth/wesnoth/commit/a7e65de2dedd144fe879543d9027e09c85b555dc
  Author: elias-pschernig <elias.pschernig at gmail.com>
  Date:   2019-02-25 (Mon, 25 Feb 2019)

  Changed paths:
    M data/tools/unit_tree/html_output.py

  Log Message:
  -----------
  fix wmlunits crash (#3931)

* fix wmlunits crash