git: openjdk/loom: fibers: Fixed build error.

[duke]

Changeset: 30158fe0
Author:    lmesnik <leonid.mesnik at oracle.com>
Date:      2021-03-05 16:37:34 +0000
URL:       https://git.openjdk.java.net/loom/commit/30158fe0

Fixed build error.

! test/hotspot/jtreg/serviceability/jvmti/vthread/SuspendResumeAll/libSuspendResumeAll.cpp