[Commits] [wesnoth/wesnoth] 40ff1e: make utils.split return empty set on nil values

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/wesnoth/wesnoth
  Commit: 40ff1ec98691b3cb5335a656207367f0f6033b64
      https://github.com/wesnoth/wesnoth/commit/40ff1ec98691b3cb5335a656207367f0f6033b64
  Author: gfgtdf <daniel.gfgtdf at gmail.com>
  Date:   2016-07-09 (Sat, 09 Jul 2016)

  Changed paths:
    M data/lua/wml-utils.lua

  Log Message:
  -----------
  make utils.split return empty set on nil values

previously it returned a "nil" string