RFR: 8288450: Update attribution in gstreamer.md file [v2]

Fri Jul 1 21:03:56 UTC 2022

On Fri, 1 Jul 2022 20:41:46 GMT, Alexander Matveev <almatvee at openjdk.org> wrote:

>> Doc-only change to update the license attribution in our gstreamer.md and glib.md files.
>
> Alexander Matveev has updated the pull request incrementally with one additional commit since the last revision:
> 
>   8288450: Update attribution in gstreamer.md file [v2]

Marked as reviewed by kcr (Lead).

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PR: https://git.openjdk.org/jfx/pull/807