git: openjdk/jdk: 8305746: InitializeEncoding should cache Charset object instead of charset name

[Naoto Sato]

Changeset: 20b1d19d
Author:    Peter Hofer <phofer at openjdk.org>
Committer: Naoto Sato <naoto at openjdk.org>
Date:      2023-04-20 16:11:29 +0000
URL:       https://git.openjdk.org/jdk/commit/20b1d19d26a039b963590ca6f806f78a4a94c25f

8305746: InitializeEncoding should cache Charset object instead of charset name

Reviewed-by: naoto

! src/java.base/share/native/libjava/jni_util.c