RFR (XS) 8203938: Fix build failures from JDK-8133564

[Thomas Schatzl]

Hi,

On Tue, 2018-05-29 at 12:51 -0500, Gerard Ziemski wrote:
> Hi all,
> 
> Please review this trivial build fix that adds missing “static”
> keyword, which I missed while doing manual merge.
> 
> I’m sorry about breaking the build.
> 
> 
> https://bugs.openjdk.java.net/browse/JDK-8203938
> http://cr.openjdk.java.net/~gziemski/8203938_rev1
> 
> Tested via build locally, broken before the change, builds with the
> fix.
> 

  looks good.

Thomas