langpacks/polish: Untranslated cleanup

git-svn-id: http://svn.miranda-ng.org/main/trunk@7862 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
Actman: spelling correction

git-svn-id: http://svn.miranda-ng.org/main/trunk@7863 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
-Tlen: Minor typos and translations fixed


git-svn-id: http://svn.miranda-ng.org/main/trunk@7864 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c