RFR: 8339271: giflib attribution correction

[Phil Race]

On Wed, 4 Sep 2024 19:43:19 GMT, Alisen Chung <achung at openjdk.org> wrote:

> Changing format of file paths in giflib copyright file and removing extra text from authors list

This should be OK. 
The onus should be on the giflib maintainers.
If they thought the list important it would be provided here.

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Marked as reviewed by prr (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/20859#pullrequestreview-2297946689