Update the settings of the Polish .po file to use the 4 plural forms now required by the new ISO standard, and thereby the Transifex translation service. I duplicated some items in an attempt to keep the existing translations working.
Update the settings of the Polish .po file to use the 4 plural forms now
required by the new ISO standard, and thereby the Transifex translation
service. I duplicated some items in an attempt to keep the existing
translations working.

* subversion/po/pl.po
  (Plural-Forms): Update to new standard.
  (*): Let gettext update the file. Add missing plurals.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1787182 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion