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

@@ -1099,22 +1099,22 @@
 /*
  * 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); \
+        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_add_32_nv(&(object)->do_refcnt, -1) == 0)    \
+        if (atomic_dec_32_nv(&(object)->do_refcnt) == 0)        \
                 dprov_free_object(object);                      \
 }
 
 /*
  * Object attributes are passed to the provider using crypto_object_attribute