because I
(a) forgot to insert parentheses which changes the meaning of some expressions and
(b) I now use the AdjustFoo calls when changing unary operations, which reads much better
This reverts commit 95fab7cb.

Change-Id: Icbdcc0f4227d88812be12e18ba6961088db80c3e
Reviewed-on: https://gerrit.libreoffice.org/49840Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>