RFR: 8369419: Error reporting of JFR JNI method registration crash on MacOSX

[Zhengyu Gu]

Please review this small change to avoid crash during error reporting of JFR JNI method registration on MacOSX.

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Commit messages:
 - 8369419: Error reporting of JFR JNI method registration crash on MacOSX

Changes: https://git.openjdk.org/jdk/pull/27691/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=27691&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8369419
  Stats: 3 lines in 1 file changed: 3 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/27691.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/27691/head:pull/27691

PR: https://git.openjdk.org/jdk/pull/27691