Make sure the team number is reset in single player linger mode

(bug #10692).

changelog

@@ -83,6 +83,8 @@ Version 1.3.13+svn:
    * changed option 'Delete Saves on SP/MP Victory ..' to remove only
      Auto-Saves to avoid the removal of manually saved files from unrelated
      games
+   * make sure the team number is reset in single player linger mode
+     (bug #10692)
 
 Version 1.3.13:
  * campaigns:

src/playsingle_controller.cpp

@@ -624,6 +624,8 @@ void playsingle_controller::linger(upload_log& log)
 		// *not* the same as multiplayer human turn.
 		gui_->enable_menu("endturn", true);
 		while(!end_turn_) {
+			// Reset the team number to make sure we're the right team.
+			player_number_ = first_player_;
 			play_slice();
 
 			gui_->draw();