Remove two uses of boost::bind()

src/gui/dialogs/multiplayer/mp_create_game.cpp

@@ -83,9 +83,9 @@ void tmp_create_game::pre_show(twindow& window)
 	tlistbox& list = find_widget<tlistbox>(&window, "map_list", false);
 #ifdef GUI2_EXPERIMENTAL_LISTBOX
 	connect_signal_notify_modified(list,
-								   boost::bind(&tmp_create_game::update_map,
+								   std::bind(&tmp_create_game::update_map,
 											   *this,
-											   boost::ref(window)));
+											   std::ref(window)));
 #else
 	list.set_callback_value_change(
 			dialog_callback<tmp_create_game, &tmp_create_game::update_map>);

src/hotkey/command_executor.cpp

@@ -735,6 +735,10 @@ void command_executor_default::zoom_default()
 }
 void command_executor_default::map_screenshot()
 {
-	make_screenshot(_("Map-Screenshot"), get_video(), boost::bind(&display::screenshot, &get_display(), _1, true));
+	make_screenshot(_("Map-Screenshot"), get_video(),
+		[this](const std::string& filename, const CVideo&)
+	{
+		return get_display().screenshot(filename, true);
+	});
 }
 }