[jdk11u-dev] Integrated: 8305815: Update Libpng to 1.6.39

[Goetz Lindenmaier]

On Sat, 17 Jun 2023 09:27:26 GMT, Goetz Lindenmaier <goetz at openjdk.org> wrote:

> I backport this for parity with 11.0.21-oracle.

This pull request has now been integrated.

Changeset: c1f759e9
Author:    Goetz Lindenmaier <goetz at openjdk.org>
URL:       https://git.openjdk.org/jdk11u-dev/commit/c1f759e9d01d646eac69442452151b0467eab306
Stats:     101 lines in 10 files changed: 15 ins; 1 del; 85 mod

8305815: Update Libpng to 1.6.39

Backport-of: 14874779eeb9a279479c5aaddb40c056780d6152

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PR: https://git.openjdk.org/jdk11u-dev/pull/1952