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

*** 1099,1120 ****
  /*
   * If a session has a reference to a dprov_object_t,
   * it REFHOLD()s.
   */
  #define DPROV_OBJECT_REFHOLD(object) {          \
!         atomic_add_32(&(object)->do_refcnt, 1); \
          ASSERT((object)->do_refcnt != 0);               \
  }
  
  /*
   * Releases a reference to an object. When the last
   * reference is released, the object is freed.
   */
  #define DPROV_OBJECT_REFRELE(object) {                          \
          ASSERT((object)->do_refcnt != 0);                       \
          membar_exit();                                          \
!         if (atomic_add_32_nv(&(object)->do_refcnt, -1) == 0)    \
                  dprov_free_object(object);                      \
  }
  
  /*
   * Object attributes are passed to the provider using crypto_object_attribute
--- 1099,1120 ----
  /*
   * If a session has a reference to a dprov_object_t,
   * it REFHOLD()s.
   */
  #define DPROV_OBJECT_REFHOLD(object) {          \
!         atomic_inc_32(&(object)->do_refcnt);    \
          ASSERT((object)->do_refcnt != 0);               \
  }
  
  /*
   * Releases a reference to an object. When the last
   * reference is released, the object is freed.
   */
  #define DPROV_OBJECT_REFRELE(object) {                          \
          ASSERT((object)->do_refcnt != 0);                       \
          membar_exit();                                          \
!         if (atomic_dec_32_nv(&(object)->do_refcnt) == 0)        \
                  dprov_free_object(object);                      \
  }
  
  /*
   * Object attributes are passed to the provider using crypto_object_attribute