Fix commit 4959f369d9bdcc

Application::InitSettings should only assert when
pSVData->msAppData.mpSettings is already set. There is an errant not
symbol.

Change-Id: Id18848774f3f3a1b37969f057eaf8685231ad291
Reviewed-on: https://gerrit.libreoffice.org/7711
Reviewed-by: Norbert Thiebaud <nthiebaud@gmail.com>
Tested-by: Norbert Thiebaud <nthiebaud@gmail.com>