Fix screenForGeometry on a corner case

QRect only deals with integers, and I had a window set on the corner and
without a size. When this screen was created, it was reported to be on the
wrong screen, thus created there wrong.
The reason for this is that ::center is not prepared for this use.
QRect(QPoint(500,500), QSize()).center() is QRect(499, 499)

Change-Id: I24e57182f84873306f180749e96368d6da1147a9
Reviewed-by: Paul Olav Tvete <paul.tvete@theqtcompany.com>
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@theqtcompany.com>

0 files changed, 0 insertions, 0 deletions