git: openjdk/loom: fibers: fix one more subtle detail to pin for JVMTI RawMonitors

[duke]

Changeset: 2b3e6e53
Author:    Serguei Spitsyn <serguei.spitsyn at oracle.com>
Date:      2021-09-21 21:00:49 +0000
URL:       https://git.openjdk.java.net/loom/commit/2b3e6e5341cb2c753fe2b921cd446c1b654f7830

fix one more subtle detail to pin for JVMTI RawMonitors

! src/hotspot/share/prims/jvmtiRawMonitor.cpp
! test/hotspot/jtreg/serviceability/jvmti/vthread/RawMonitorTest/RawMonitorTest.java