Update zlib to 1.2.12.

Among other things, this fixes CVE-2018-25032:
https://github.com/advisories/GHSA-jc36-42cf-vqwj
This commit is contained in:
Joseph Cloutier
2022-05-21 18:45:22 -04:00
parent 7824a39e81
commit b6fec0a07b