crashtesting: empty B2DRange range turned into oversized Rectangle

with document ooo47086-1.xls

Change-Id: Ia43b6b3e3951875280892138c7068348f1b56a7c
Reviewed-on: https://gerrit.libreoffice.org/58913
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

svx/source/svdraw/svdopath.cxx

@@ -1655,6 +1655,9 @@ static tools::Rectangle lcl_ImpGetBoundRect(const basegfx::B2DPolyPolygon& rPoly
 {
     basegfx::B2DRange aRange(basegfx::utils::getRange(rPolyPolygon));
 
+    if (aRange.isEmpty())
+        return tools::Rectangle();
+
     return tools::Rectangle(
         FRound(aRange.getMinX()), FRound(aRange.getMinY()),
         FRound(aRange.getMaxX()), FRound(aRange.getMaxY()));