
As _updateCount has been designed to be overwritable by subclasses, move the check for _actorDestroyed into _setCount(), to fix the problem described in commit 5f6ac33d5 in derived types as well.
As _updateCount has been designed to be overwritable by subclasses, move the check for _actorDestroyed into _setCount(), to fix the problem described in commit 5f6ac33d5 in derived types as well.