Kapton low-static tape should be used to hold that connector in place. Kapton tape is used by Apple in many products to insulate possible shorting points and to keep connectors in place.
Here are the Google shopping results for the proper tape: http://www.google.com/products?client=safari&rls=en&q=kapton%20tape&oe=UTF-8&um=1&ie=UTF-8&sa=N&hl=en&tab=wf
If you are near an Apple Store with sympathetic Geniuses, perhaps they can hook you up with the small piece you need :)