l10n: Updated Polish (pl) translation to 97%
l10n: Updated Polish (pl) translation to 97%

New status: 268 messages complete with 2 fuzzies and 4 untranslated.

Transmitted-via: Transifex (translations.xfce.org).

rgcjonas/exo-gtk3,rgcjonas/exo-gtk3,rgcjonas/exo-gtk3