and rename mpItemList->mvItemList

Change-Id: Ib11dce91543fc4a6623795f3ff2820db5a3d7120
Reviewed-on: https://gerrit.libreoffice.org/53229Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>