hg: code-tools/jmh-jdk-microbenchmarks: Amend 7902442: Fix copyright header

[eric.caspole at oracle.com]

Changeset: a644f3612e8d
Author:    ecaspole
Date:      2019-03-26 15:56 -0400
URL:       http://hg.openjdk.java.net/code-tools/jmh-jdk-microbenchmarks/rev/a644f3612e8d

Amend 7902442: Fix copyright header

! micros-jdk8/src/main/java/org/openjdk/bench/vm/runtime/VerifySignatures.java