[Commits] [wesnoth/wesnoth] d4f916: Fix a clang compiler error

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/wesnoth/wesnoth
  Commit: d4f91674391a92943056e5717266825172dd5342
      https://github.com/wesnoth/wesnoth/commit/d4f91674391a92943056e5717266825172dd5342
  Author: Celtic Minstrel <celtic.minstrel.ca at some.place>
  Date:   2017-04-24 (Mon, 24 Apr 2017)

  Changed paths:
    M src/gui/auxiliary/iterator/walker_widget.cpp

  Log Message:
  -----------
  Fix a clang compiler error