fix indentation

Change-Id: I7a06920cfc170a06ab5bbb69480a4bdcb3ab5c9f
Reviewed-on: https://gerrit.libreoffice.org/13473
Reviewed-by: Markus Mohrhard <markus.mohrhard@googlemail.com>
Tested-by: Markus Mohrhard <markus.mohrhard@googlemail.com>