fix another error introduced in changeset ad014fc78bd6 * gui-settings.cc (gui_settings::config_icon_theme): Use value of global_all_icon_themes from settings if it exists.

root = true

[*]
charset = utf-8
end_of_line = lf
indent_size = 2
indent_style = space
insert_final_newline = true

[*.{am,mk}]
indent_size = tab
indent_style = tab