RFR: 8295668: validate-source failure after JDK-8290011

[Daniel D. Daugherty]

A trivia copyright fix for validate-source failure after JDK-8290011.

-------------

Commit messages:
 - 8295668: validate-source failure after JDK-8290011

Changes: https://git.openjdk.org/jdk/pull/10772/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=10772&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8295668
  Stats: 10 lines in 9 files changed: 0 ins; 0 del; 10 mod
  Patch: https://git.openjdk.org/jdk/pull/10772.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/10772/head:pull/10772

PR: https://git.openjdk.org/jdk/pull/10772