[Commits] [wesnoth/wesnoth] 442075: fix wrong assertion

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/wesnoth/wesnoth
  Commit: 442075596295a242d1ecba6b5f32301f2a441a99
      https://github.com/wesnoth/wesnoth/commit/442075596295a242d1ecba6b5f32301f2a441a99
  Author: gfgtdf <daniel.gfgtdf at gmail.com>
  Date:   2017-08-16 (Wed, 16 Aug 2017)

  Changed paths:
    M src/gui/widgets/generator_private.hpp

  Log Message:
  -----------
  fix wrong assertion

index == items_.size() also means insert at end.