RFR JDK-8038178: Fix corrupt license header

[Aleksey Shipilev]

On 04/16/2014 03:36 PM, David Holmes wrote:
> On 16/04/2014 9:28 PM, Pavel Rappo wrote:
>> P.S. Some may find this a little bit amusing.
> 
> Indeed :) I'm guessing original code was
> 
> private static final Unsafe U;

Awww... Another thing to be cautious about when using Unsafe.

-Aleksey.