forget about the Left/Top/Right/Bottom frame distance

I think these are actually already factored in, at
least the undo popup doesn't want it and a quick look
around gives 0 for other dialogs.

Change-Id: Ib5abf91992b0e6075dbdce209798596f21342818

vcl/source/window/syswin.cxx

@@ -1031,14 +1031,10 @@ void SystemWindow::setPosSizeOnContainee(Size aSize, VclContainer &rBox)
 {
     sal_Int32 nBorderWidth = get_border_width();
 
-    aSize.Width() -= mpWindowImpl->mnLeftBorder + mpWindowImpl->mnRightBorder
-        + 2 * nBorderWidth;
-    aSize.Height() -= mpWindowImpl->mnTopBorder + mpWindowImpl->mnBottomBorder
-        + 2 * nBorderWidth;
-
-    Point aPos(mpWindowImpl->mnLeftBorder + nBorderWidth,
-        mpWindowImpl->mnTopBorder + nBorderWidth);
+    aSize.Width() -= 2 * nBorderWidth;
+    aSize.Height() -= 2 * nBorderWidth;
 
+    Point aPos(nBorderWidth, nBorderWidth);
     VclContainer::setLayoutAllocation(rBox, aPos, aSize);
 }