git: openjdk/jdk17u-dev: 8303047: avoid NULL after 8301661

[Matthias Baesken]

Changeset: a72bdbff
Author:    Matthias Baesken <mbaesken at openjdk.org>
Date:      2023-07-03 07:02:20 +0000
URL:       https://git.openjdk.org/jdk17u-dev/commit/a72bdbfff53de6e27670c8c0a512e73756aa9405

8303047: avoid NULL after 8301661

Backport-of: 221f34634de58d339f6cf7b08b2520fb748fff82

! src/hotspot/os/bsd/os_bsd.cpp
! src/hotspot/os/windows/os_windows.cpp