[jdk25u-dev] Integrated: 8372534: Update Libpng to 1.6.51

[Andrew John Hughes]

On Wed, 3 Dec 2025 14:12:00 GMT, Andrew John Hughes <andrew at openjdk.org> wrote:

> Update to the latest version of libpng. Clean backport which built fine with GCC 11 on RHEL 8.

This pull request has now been integrated.

Changeset: cb7fb728
Author:    Andrew John Hughes <andrew at openjdk.org>
URL:       https://git.openjdk.org/jdk25u-dev/commit/cb7fb728d4805ed4e9d62ce31cee7c948f3d5746
Stats:     638 lines in 21 files changed: 297 ins; 207 del; 134 mod

8372534: Update Libpng to 1.6.51

Backport-of: c7a489db9e4a7d696623fc2155a5504d9d2adb0d

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PR: https://git.openjdk.org/jdk25u-dev/pull/56