[Commits] [wesnoth/wesnoth] 0bd159: Fix Coverity null dereferenced warning

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/wesnoth/wesnoth
  Commit: 0bd159b8b70707e24cf70f5db7b4e8ecd5910fdf
      https://github.com/wesnoth/wesnoth/commit/0bd159b8b70707e24cf70f5db7b4e8ecd5910fdf
  Author: Gregory A Lundberg <gregory_lundberg at gmx.com>
  Date:   2017-09-17 (Sun, 17 Sep 2017)

  Changed paths:
    M src/gui/widgets/tree_view_node.cpp

  Log Message:
  -----------
  Fix Coverity null dereferenced warning

It is probably not possible for cur to be nullptr, but best check anyway.

Closes CID 1380176