RFR: 8191858: Add missing includes in memoryManager.hpp

[Thomas Schatzl]

Hi,

On Fri, 2017-11-24 at 14:02 +0100, Stefan Karlsson wrote:
> Hi all,
> 
> Please review this trivial patch to add some missing includes to 
> memoryManager.hpp.
> 
> http://cr.openjdk.java.net/~stefank/8191858/webrev.01
> https://bugs.openjdk.java.net/browse/JDK-8191858
> 
> This was found when I was restructuring other parts of the code base.

  looks good.

Thomas