RFR: 8349639: jdk/jdk/jfr/event/gc/detailed/TestShenandoahEvacuationInformationEvent.java fails to compile after JDK-8348610

[Aleksey Shipilev]

A simple test bug crept in through https://github.com/openjdk/jdk/commit/bad39b6d8892ba9b86bc81bf01108a1df617defb.

Additional testing:
 - [x] Affected test now passes

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

Commit messages:
 - Fix

Changes: https://git.openjdk.org/jdk/pull/23511/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=23511&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8349639
  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/23511.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/23511/head:pull/23511

PR: https://git.openjdk.org/jdk/pull/23511