[wesnoth-commits] [wesnoth/wesnoth] a2f81a: Allow empty variation id again

[Gunter Labes]

  Branch: refs/heads/master
  Home:   https://github.com/wesnoth/wesnoth
  Commit: a2f81aaa7a8e38e82e8fb59eeac82898bd09ac20
      https://github.com/wesnoth/wesnoth/commit/a2f81aaa7a8e38e82e8fb59eeac82898bd09ac20
  Author: Gunter Labes <soliton at wesnoth.org>
  Date:   2021-06-06 (Sun, 06 Jun 2021)

  Changed paths:
    M src/units/unit.cpp

  Log Message:
  -----------
  Allow empty variation id again

Unintentionally removed in 0a17fc9bd5e.