git: openjdk/jdk16u: 8226810: Failed to launch JVM because of NullPointerException occured on System.props

[Sean Coffey]

Changeset: e9dae4dd
Author:    Evan Whelan <ewhelan at openjdk.org>
Committer: Sean Coffey <coffeys at openjdk.org>
Date:      2021-01-25 11:00:40 +0000
URL:       https://git.openjdk.java.net/jdk16u/commit/e9dae4dd

8226810: Failed to launch JVM because of NullPointerException occured on System.props

Backport-of: 5f7ccce0c03b2b814c0bae132d359d9903708496

! make/data/charsetmapping/stdcs-windows