[rpms/perl-libwww-perl] PR #8: 6.57 bump

[Michal Josef Špaček]

mspacek merged a pull-request against the project: `perl-libwww-perl` that you are
following.

Merged pull-request:

``
6.57 bump
``

https://src.fedoraproject.org/rpms/perl-libwww-perl/pull-request/8