Also warn when logging stops due to a limit, not because the layout
finished.

Change-Id: Ifd44901602edec001839ab4ee88f459b45e36da6
Reviewed-on: https://gerrit.libreoffice.org/43362Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>
Tested-by: Jenkins <ci@libreoffice.org>