move "move survivors to recall" code play_controller -> game_board

Added at "all_survivors_to_recall" function

src/game_board.cpp

@@ -51,6 +51,16 @@ void game_board::set_all_units_user_end_turn() {
 	}
 }
 
+void game_board::all_survivors_to_recall() {
+	BOOST_FOREACH (unit & un, units_) {
+		if (teams_[un.side() - 1].persistent()) {
+			un.new_turn();
+			un.new_scenario();
+			teams_[un.side() - 1].recall_list().push_back(un);
+		}
+	}
+}
+
 unit_map::iterator game_board::find_visible_unit(const map_location &loc,
 	const team& current_team, bool see_all)
 {

src/game_board.hpp

@@ -100,6 +100,8 @@ class game_board {
 	void end_turn(int pnum);
 	void set_all_units_user_end_turn();
 
+	void all_survivors_to_recall();
+
 	// Manipulator from playturn
 
 	void side_drop_to (int side_num, team::CONTROLLER ctrl);

src/playsingle_controller.cpp

@@ -565,14 +565,8 @@ LEVEL_RESULT playsingle_controller::play_scenario(
 
 						// Add all the units that survived the scenario.
 						LOG_NG << "Add units that survived the scenario to the recall list.\n";
-						BOOST_FOREACH (unit & un, gameboard_.units_) {
-							if (gameboard_.teams_[un.side() - 1].persistent()) {
-								LOG_NG << "Added unit " << un.id() << ", " << un.name() << "\n";
-								un.new_turn();
-								un.new_scenario();
-								gameboard_.teams_[un.side() - 1].recall_list().push_back(un);
-							}
-						}
+						gameboard_.all_survivors_to_recall();
+
 						gamestate_.snapshot = config();
 						if(!is_observer()) {
 							persist_.end_transaction();