found by the simple expidient of putting asserts in
the resize routine. Where an explicit const size is used,
I started with 32 and kept doubling until that site
did not need resizing anymore.
Change-Id: I998787edc940d0a3ba23b5ac37131ab9ecd300f4
Reviewed-on: https://gerrit.libreoffice.org/81138
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>