add missing spaces

Change-Id: I11be0c2cd4a4ee182b0f57f24a8fe65cd14d8200
Reviewed-on: https://gerrit.libreoffice.org/13073
Reviewed-by: Andras Timar <andras.timar@collabora.com>
Tested-by: Andras Timar <andras.timar@collabora.com>