Change german Variables to plural form
In german the plural form of the english word "Variables" is "Variablen".
@@ -352,7 +352,7 @@ class De(Language):
comment_headers = {'Kommentar', 'Kommentare'}
library = 'Bibliothek'
resource = 'Ressource'
- variables = 'Variable'
+ variables = 'Variablen'
documentation = 'Dokumentation'
metadata = 'Metadaten'
suite_setup = 'Suitevorbereitung'
