path_text demo: Fixup

We don't want any filtering by curve type here.

demos/gtk-demo/path_text.c

@@ -167,7 +167,7 @@ gtk_path_transform (GskPathMeasure         *measure,
   else
     transform.scale = 1.0f;
 
-  gsk_path_foreach (path, GSK_PATH_FOREACH_ALLOW_CURVE, gtk_path_transform_op, &transform);
+  gsk_path_foreach (path, -1, gtk_path_transform_op, &transform);
 
   return gsk_path_builder_free_to_path (transform.builder);
 }