RFR: sample fixes for JDK 22 Panama API changes. [v2]

[Jorn Vernee]

On Mon, 24 Jul 2023 16:14:51 GMT, Athijegannathan Sundararajan <sundar at openjdk.org> wrote:

>> sample fixes for JDK 22 Panama API changes. All samples fine on MacOS. Windows scripts have to be adjusted and samples have to be tested on Windows.
>
> Athijegannathan Sundararajan has updated the pull request incrementally with two additional commits since the last revision:
> 
>  - Merge pull request #3 from JornVernee/Win_Samples
>    
>    fix Windows sample scripts
>  - fix Windows sample scripts

Marked as reviewed by jvernee (Committer).

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PR Review: https://git.openjdk.org/jextract/pull/125#pullrequestreview-1543830639