RFR: 8296709: WARNING: JNI call made without checking exceptions

[Lutz Schmidt]

This small change fixes a warning that may pop up during runtime. May I please request reviews? Thank you!

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

Commit messages:
 - 8296709: WARNING: JNI call made without checking exceptions

Changes: https://git.openjdk.org/jdk/pull/11083/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=11083&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8296709
  Stats: 2 lines in 1 file changed: 1 ins; 1 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/11083.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/11083/head:pull/11083

PR: https://git.openjdk.org/jdk/pull/11083