So that screenshots can be generated in different languages

Change-Id: I486e48a49d6f3837058ec7ac93b5d7d3094be90e
Reviewed-on: https://gerrit.libreoffice.org/30914Reviewed-by: Samuel Mehrbrodt <Samuel.Mehrbrodt@cib.de>
Tested-by: Samuel Mehrbrodt <Samuel.Mehrbrodt@cib.de>