Resolves: rhbz#1610692 rectangles ctor takes topleft, bottomright points

so pass arguments in the topleft, bottomright order to avoid eventual...

Gtk-CRITICAL **: 09:43:33.896: gtk_widget_queue_draw_area: assertion 'height >= 0' failed

Change-Id: I2396f49470274331c49275a5e6d707f59277be4a
Reviewed-on: https://gerrit.libreoffice.org/58391
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

vcl/source/control/fixed.cxx

@@ -532,11 +532,11 @@ void FixedLine::ImplDraw(vcl::RenderContext& rRenderContext)
         rRenderContext.DrawText(aTextPt, aText, 0, aText.getLength());
         rRenderContext.Pop();
         if (aOutSize.Height() - aStartPt.Y() > FIXEDLINE_TEXT_BORDER)
-            aDecoView.DrawSeparator(Point(aStartPt.X(), aOutSize.Height() - 1),
-                                    Point(aStartPt.X(), aStartPt.Y() + FIXEDLINE_TEXT_BORDER));
+            aDecoView.DrawSeparator(Point(aStartPt.X(), aStartPt.Y() + FIXEDLINE_TEXT_BORDER),
+                                    Point(aStartPt.X(), aOutSize.Height() - 1));
         if (aStartPt.Y() - nWidth - FIXEDLINE_TEXT_BORDER > 0)
-            aDecoView.DrawSeparator(Point(aStartPt.X(), aStartPt.Y() - nWidth - FIXEDLINE_TEXT_BORDER),
-                                    Point(aStartPt.X(), 0));
+            aDecoView.DrawSeparator(Point(aStartPt.X(), 0),
+                                    Point(aStartPt.X(), aStartPt.Y() - nWidth - FIXEDLINE_TEXT_BORDER));
     }
     else
     {