git: openjdk/loom: fibers: Fix build error due to a new ResumeAllVirtualThreads() call in my recent merge commit.

[duke]

Changeset: b5437a3c
Author:    Chris Plummer <chris.plummer at oracle.com>
Date:      2021-03-05 20:22:52 +0000
URL:       https://git.openjdk.java.net/loom/commit/b5437a3c

Fix build error due to a new ResumeAllVirtualThreads() call in my recent merge commit.

! src/jdk.jdwp.agent/share/native/libjdwp/threadControl.c