Additional Runtime Library Notices

The repaired Polypix wheels may bundle platform runtime libraries with
permissive licenses. This file records the short-form notices used for those
runtime libraries. Release maintainers should refresh this file when the wheel
repair output changes.

## bzip2

bzip2 is distributed under the bzip2-1.0.6 license.

## curl / libcurl

curl and libcurl are distributed under the curl license.

## Kerberos

MIT Kerberos runtime libraries are distributed under MIT-style and
LGPL-2.1-or-later terms, depending on the component.

## libnghttp2

libnghttp2 is distributed under the MIT license.

## libssh2

libssh2 is distributed under the BSD-3-Clause license.

## zlib

zlib is distributed under the Zlib license.

## zstd

zstd is distributed under the BSD-3-Clause license.
