Fix the Handle Rsvg get_width() -> props.width, get_height() -> props.height

Signed-off-by: Manuel Quiñones <manuq@laptop.org>
Acked-by: Simon Schampijer <simon@laptop.org>

src/sugar3/graphics/icon.py

@@ -166,8 +166,8 @@ class _IconBuffer(object):
             if badge_file_name.endswith('.svg'):
                 handle = self._loader.load(badge_file_name, {}, self.cache)
 
-                icon_width = handle.get_width()
-                icon_height = handle.get_height()
+                icon_width = handle.props.width
+                icon_height = handle.props.height
 
                 pixbuf = handle.get_pixbuf()
             else: