hg: shenandoah/jdk8u/hotspot: Make MSVC 2010 happy by spelling out (un)signess.

[ashipile at redhat.com]

Changeset: a905fc669e5e
Author:    shade
Date:      2017-03-22 20:38 +0100
URL:       http://hg.openjdk.java.net/shenandoah/jdk8u/hotspot/rev/a905fc669e5e

Make MSVC 2010 happy by spelling out (un)signess.

! src/share/vm/gc_implementation/shenandoah/shenandoahCollectorPolicy.cpp
! src/share/vm/gc_implementation/shenandoah/shenandoahHeap.cpp
! src/share/vm/runtime/arguments.cpp