[jdk15u-dev] RFR: 8226810: Failed to launch JVM because of NullPointerException occured on System.props

[Yuri Nesterenko]

One-liner fix to include GB18030 into java.base on Windows

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Commit messages:
- Backport 5f7ccce0c03b2b814c0bae132d359d9903708496

Changes: https://git.openjdk.java.net/jdk15u-dev/pull/152/files
Webrev: https://webrevs.openjdk.java.net/?repo=jdk15u-dev&pr=152&range=00
Issue: https://bugs.openjdk.java.net/browse/JDK-8226810
Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 mod
Patch: https://git.openjdk.java.net/jdk15u-dev/pull/152.diff
Fetch: git fetch https://git.openjdk.java.net/jdk15u-dev pull/152/head:pull/152

PR: https://git.openjdk.java.net/jdk15u-dev/pull/152