Input: turbografx - fix reference counting

The ref-count of parport gained from parport_find_number()
was not released in normal path.

Signed-off-by: Namhyung Kim <[e-mail]>
Signed-off-by: Dmitry Torokhov <[e-mail]>

drivers/input/joystick/turbografx.c

···
 		goto err_free_tgfx;
         }
 
+	parport_put_port(pp);
 	return tgfx;
 
  err_free_dev: