RFR: 8310458: Fix build failure caused by JDK-8310049

Tue Jun 20 18:05:20 UTC 2023

Please review this PR which fixes the build failure caused by JDK-8310049 by adding a "," after the 2023.

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Commit messages:
 - Fix copyright header, missing ','

Changes: https://git.openjdk.org/jdk/pull/14568/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=14568&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8310458
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/14568.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/14568/head:pull/14568

PR: https://git.openjdk.org/jdk/pull/14568