The blocks appear and function fine, unfortunately it's not completely fixed.
Any existing docks on that blueprint that suffered from this rotation issue, will still appear docked that way after loading the blueprint although the rails themselves are completely fine when used afterwards (undocking, redocking).
Turret dock below appears like it should again, but the turret base is docked like it was when it was broken. This is an old blueprint from release and hasn't changed since.
Undocking this turret base and redocking it puts it in the correct orientation again.
{F11114}