git: openjdk/loom: fibers: Fix build

[duke]

Changeset: 472bacfb
Author:    Ron Pressler <ron.pressler at oracle.com>
Date:      2020-03-19 12:41:53 +0000
URL:       https://git.openjdk.java.net/loom/commit/472bacfb

Fix build

! src/hotspot/cpu/x86/continuationChunk_x86.inline.hpp
! src/hotspot/cpu/x86/continuation_x86.inline.hpp
! src/hotspot/share/runtime/continuation.cpp