Cocoa: Update QPlatformWindow geometry on move

Change-Id: I976e4da646480d10cc6af444288c421d0645f689
Reviewed-on: http://codereview.qt-project.org/6541
Reviewed-by: Morten Johan Sørvig <morten.sorvig@nokia.com>

src/plugins/platforms/cocoa/qcocoawindow.mm

@@ -173,6 +173,7 @@ void QCocoaWindow::windowDidMove()
     NSRect windowRect = [m_nsWindow frame];
 
     QRect geo(windowRect.origin.x, qt_mac_flipYCoordinate(windowRect.origin.y + rect.size.height), rect.size.width, rect.size.height);
+    setGeometry(geo);
     QWindowSystemInterface::handleSynchronousGeometryChange(window(), geo);
 }