hg: shenandoah/jdk10: Fix Shenandoah build

[zgu at redhat.com]

Changeset: eaf79c646395
Author:    zgu
Date:      2018-05-17 08:18 -0400
URL:       http://hg.openjdk.java.net/shenandoah/jdk10/rev/eaf79c646395

Fix Shenandoah build

! src/hotspot/share/gc/shenandoah/shenandoahHeap.cpp
! src/hotspot/share/gc/shenandoah/shenandoahStrDedupTable.hpp
! src/hotspot/share/utilities/numberSeq.cpp