extract_grob_set (info.grob (), "note-heads", heads);
Grob *x_parent = (heads.size ()
? info.grob ()
- : unsmob_grob (info.grob ()->get_object ("rest")));
+ : Grob::unsmob (info.grob ()->get_object ("rest")));
for (vsize i = 0; i < scripts_.size (); i++)
{