RFR: 8341792: Fix ExceptionOccurred in java.security.jgss

[Justin Lu]

On Wed, 9 Oct 2024 16:22:13 GMT, Weijun Wang <weijun at openjdk.org> wrote:

> Switch to `ExceptionCheck`.
> 
> This is a part of an umbrella bug [JDK-8341542 JNI uses of ExceptionOccurred() treated as if function returns a bool](https://bugs.openjdk.org/browse/JDK-8341542).

Marked as reviewed by jlu (Committer).

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PR Review: https://git.openjdk.org/jdk/pull/21424#pullrequestreview-2358217762