RFR: JDK-8291509 Minor cleanup could be done in sun.security [v8]

[Mark Powers]

On Wed, 14 Sep 2022 19:44:52 GMT, Weijun Wang <weijun at openjdk.org> wrote:

>> Fixed. Throwing exception sooner rather than later.
>
> Some final comments.
> 
> 1. Move the definition of `namedParams` inside the if block it is used and merge with the assignment line.
> 2. Change `if (ecParams == null)` to `else`, and then there is no need to assign an initial value to `namedGroup`.

Fixed.

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PR: https://git.openjdk.org/jdk/pull/9972