[jdk17u-dev] RFR: 8292778: EncodingSupport_md.c convertUtf8ToPlatformString wrong placing of free

[Matthias Baesken]

backport of 8292778, adjust copyrigth headers

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Commit messages:
 - Backport ad2e0c4df045261c04b00bfa1faf5c21392edc58

Changes: https://git.openjdk.org/jdk17u-dev/pull/809/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=809&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8292778
  Stats: 3 lines in 1 file changed: 1 ins; 1 del; 1 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/809.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev pull/809/head:pull/809

PR: https://git.openjdk.org/jdk17u-dev/pull/809