hg: shenandoah/jdk: Fix 32bit x86 builds after upstream merge

[roman at kennke.org]

Changeset: 4f5549ec27fb
Author:    rkennke
Date:      2018-07-04 11:57 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk/rev/4f5549ec27fb

Fix 32bit x86 builds after upstream merge

! src/hotspot/cpu/x86/gc/shenandoah/shenandoahBarrierSetAssembler_x86.cpp
! src/hotspot/cpu/x86/gc/shenandoah/shenandoahBarrierSetAssembler_x86.hpp