Has a small but measureable impact on the time it takes to load a
specific pathological (huge) customer document. The load time drops
from 1min 46s to 1min 38s on my machine.

Reviewed-on: https://gerrit.libreoffice.org/46847Reviewed-by: Thorsten Behrens <Thorsten.Behrens@CIB.de>
Tested-by: Thorsten Behrens <Thorsten.Behrens@CIB.de>
(cherry picked from commit 9675f307)

Change-Id: I93b603f369528187980d644a5364fa9bcf2f4615
Reviewed-on: https://gerrit.libreoffice.org/46904Reviewed-by: Tor Lillqvist <tml@collabora.com>
Tested-by: Tor Lillqvist <tml@collabora.com>
(cherry picked from commit ed29dc6b)