Minor

src/hb-set-private.hh

@@ -38,6 +38,8 @@ struct _hb_set_t
   inline void init (void) {
     clear ();
   }
+  inline void fini (void) {
+  }
   inline void clear (void) {
     memset (elts, 0, sizeof elts);
   }

src/hb-set.cc

@@ -67,6 +67,8 @@ hb_set_destroy (hb_set_t *set)
 {
   if (!hb_object_destroy (set)) return;
 
+  set->fini ();
+
   free (set);
 }