n#821567: Use BitmapURL only if its valid.

svx/source/xoutdev/xattrbmp.cxx

@@ -513,7 +513,9 @@ bool XFillBitmapItem::PutValue( const ::com::sun::star::uno::Any& rVal, sal_uInt
     }
     if( bSetURL )
     {
-        maGraphicObject  = GraphicObject::CreateGraphicObjectFromURL(aURL);
+        GraphicObject aGraphicObject  = GraphicObject::CreateGraphicObjectFromURL(aURL);
+        if( aGraphicObject.GetType() != GRAPHIC_NONE )
+            maGraphicObject = aGraphicObject;
 
         // #121194# Prefer GraphicObject over bitmap object if both are provided
         if(bSetBitmap && GRAPHIC_NONE != maGraphicObject.GetType())