Obama Receives Gold Necklace From Saudi King Abdullah

Has Obama renounced his citizenship and his Presidency by accepting a "knighthood" while in office?

No title of nobility shall be granted by the United States: and no person holding any office of profit or trust under them, shall, without the consent of the Congress, accept of any present, emolument, office, or title, of any kind whatever, from any king, prince, or foreign state. ~Article I, Section 9, Clause 8 of the United States Constitution