[issue29169] update zlib to 1.2.10

[Roundup Robot]

Roundup Robot added the comment:

New changeset ed172054a812 by doko in branch '2.7':
- Issue #29169: Update zlib to 1.2.10.
https://hg.python.org/cpython/rev/ed172054a812

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nosy: +python-dev

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue29169>
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