Free some icon_info instances.

lib/sugar/graphics/icon.py

@@ -130,6 +130,8 @@ class _IconBuffer(object):
                 icon_info.file_name = info.get_filename()
                 icon_info.attach_x = attach_x
                 icon_info.attach_y = attach_y
+
+                del info
             else:
                 logging.warning('No icon with the name %s '
                                 'was found in the theme.' % self.icon_name)

lib/sugar/graphics/iconentry.py

@@ -28,8 +28,8 @@ class IconEntry(_sugarext.IconEntry):
         icon_info = icon_theme.lookup_icon(name,
                                            gtk.ICON_SIZE_SMALL_TOOLBAR,
                                            0)
-
         pixbuf = gtk.gdk.pixbuf_new_from_file(icon_info.get_filename())
+        del icon_info
 
         image = gtk.Image()
         image.set_from_pixbuf(pixbuf)