[Commits] [wesnoth/wesnoth] 53eac4: fix lua logging when lua gives a null string

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/wesnoth/wesnoth
  Commit: 53eac42935e870a43fadf87bddba4ecee5856b88
      https://github.com/wesnoth/wesnoth/commit/53eac42935e870a43fadf87bddba4ecee5856b88
  Author: Chris Beck <render787 at gmail.com>
  Date:   2015-04-05 (Sun, 05 Apr 2015)

  Changed paths:
    M src/scripting/lua_kernel_base.hpp

  Log Message:
  -----------
  fix lua logging when lua gives a null string