RFR: 8313576: GCC 7 reports compiler warning in bundled freetype 2.13.0 [v3]

[Phil Race]

On Wed, 2 Aug 2023 20:18:04 GMT, Sergey Bylokhov <serb at openjdk.org> wrote:

>> One warning is disabled for the freetype.
>
> Sergey Bylokhov has updated the pull request incrementally with one additional commit since the last revision:
> 
>   add comment about gcc 7

Marked as reviewed by prr (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/15116#pullrequestreview-1559788744