RFR: JDK-8296913: Correct enable preview idiom in JdbLastErrorTest.java [v3]

[Chris Plummer]

On Mon, 14 Nov 2022 20:39:47 GMT, Joe Darcy <darcy at openjdk.org> wrote:

>> Update the compile command in JdbLastErrorTest.java so that it doesn't need to be modified with each new JDK release to keep using preview features.
>
> Joe Darcy has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Update.

Marked as reviewed by cjplummer (Reviewer).

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PR: https://git.openjdk.org/jdk/pull/11139