Bugfix unclickable cell

src/main/java/TicTacToe/Cell.java

@@ -28,8 +28,8 @@ public class Cell extends JButton {
 	protected void OnMouseClick() {
 		if (playerID == 0) {
 			playerID = ttt.playerID;
-			ttt.endTurn();
 			setEnabled(false);
+			ttt.endTurn();
 			repaint();
 		}
 	}