invisible overlay fix

git-svn-id: http://svn.miranda-ng.org/main/trunk@8965 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
langpacks: update according to [8908], [8914]

git-svn-id: http://svn.miranda-ng.org/main/trunk@8966 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c