RFR: 8234798: Build failure after atomic changes in JDK-8234563

[Zhengyu Gu]

Looks good and trivial.

Thanks,

-Zhengyu

On 11/26/19 6:07 AM, Stefan Karlsson wrote:
> Hi all,
> 
> Please review this trivial patch to fix a Shenandoah on Windows build 
> breakage.
> 
> https://cr.openjdk.java.net/~stefank/8234798/webrev.01/
> https://bugs.openjdk.java.net/browse/JDK-8234798
> 
> Thanks,
> StefanK
>