git: openjdk/jdk: 8264146: Make Mutex point to rather than embed _name

[Coleen Phillimore]

Changeset: a1e717f1
Author:    Coleen Phillimore <coleenp at openjdk.org>
Date:      2021-03-25 12:37:28 +0000
URL:       https://git.openjdk.java.net/jdk/commit/a1e717f1

8264146: Make Mutex point to rather than embed _name

Reviewed-by: redestad, dholmes

! src/hotspot/share/runtime/mutex.cpp
! src/hotspot/share/runtime/mutex.hpp