RFR: 8191858: Add missing includes in memoryManager.hpp

[Erik Helin]

On 11/24/2017 02:02 PM, 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

Looks good, Reviewed.

Thanks!
Erik

> This was found when I was restructuring other parts of the code base.
> 
> Thanks,
> StefanK