RFR: 8280840: Update libFFI to 3.4.2 [v2]

Mon Mar 7 11:06:17 UTC 2022

On Thu, 24 Feb 2022 03:07:57 GMT, Alexander Matveev <almatvee at openjdk.org> wrote:

>> LibFFI updated to 3.4.2. No additional changes to our code, libffi code or build system were required. Tested on all platforms.
>
> Alexander Matveev has updated the pull request incrementally with one additional commit since the last revision:
> 
>   8280840: Update libFFI to 3.4.2 [v3]

Built and tested.

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Marked as reviewed by sykora (Author).

PR: https://git.openjdk.java.net/jfx/pull/738