Fixed language file for slovak language

sk_cron.lng

Thanks to Peter for providing this updated file by email.

changed milestone to %3.3

added Bug label

assigned to @tbrehm

created branch 6816-fixed-language-file-for-slovak-language to address this issue

mentioned in merge request !1980 (merged)

mentioned in commit 824c344d

mentioned in commit bc13403a

closed with commit 824c344d

closed with merge request !1980 (merged)