lcov pointed out this had no coverage previously (unlike the 0 and the 2
case).

Change-Id: Iaa480015d1ddfe7c489a3cbbf079a38d20e6d45c
Reviewed-on: https://gerrit.libreoffice.org/33987Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>
Tested-by: Jenkins <ci@libreoffice.org>