5045 use atomic_{inc,dec}_* instead of atomic_add_*

*** 37,56 ****
   * increment audit path reference count
   */
  void
  au_pathhold(struct audit_path *app)
  {
!         atomic_add_32(&app->audp_ref, 1);
  }
  
  /*
   * decrement audit path reference count
   */
  void
  au_pathrele(struct audit_path *app)
  {
!         if (atomic_add_32_nv(&app->audp_ref, -1) > 0)
                  return;
          kmem_free(app, app->audp_size);
  }
  
  /*
--- 37,56 ----
   * increment audit path reference count
   */
  void
  au_pathhold(struct audit_path *app)
  {
!         atomic_inc_32(&app->audp_ref);
  }
  
  /*
   * decrement audit path reference count
   */
  void
  au_pathrele(struct audit_path *app)
  {
!         if (atomic_dec_32_nv(&app->audp_ref) > 0)
                  return;
          kmem_free(app, app->audp_size);
  }
  
  /*