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

*** 645,655 ****
                  mutex_exit(&rp4freelist_lock);
  
                  rp = kmem_cache_alloc(rnode4_cache, KM_SLEEP);
                  new_vp = vn_alloc(KM_SLEEP);
  
!                 atomic_add_long((ulong_t *)&rnode4_new, 1);
  #ifdef DEBUG
                  clstat4_debug.nrnode.value.ui64++;
  #endif
                  vp = new_vp;
          }
--- 645,655 ----
                  mutex_exit(&rp4freelist_lock);
  
                  rp = kmem_cache_alloc(rnode4_cache, KM_SLEEP);
                  new_vp = vn_alloc(KM_SLEEP);
  
!                 atomic_inc_ulong((ulong_t *)&rnode4_new);
  #ifdef DEBUG
                  clstat4_debug.nrnode.value.ui64++;
  #endif
                  vp = new_vp;
          }
*** 1218,1228 ****
  
          vp = RTOV4(rp);
          vfsp = vp->v_vfsp;
  
          uninit_rnode4(rp);
!         atomic_add_long((ulong_t *)&rnode4_new, -1);
  #ifdef DEBUG
          clstat4_debug.nrnode.value.ui64--;
  #endif
          kmem_cache_free(rnode4_cache, rp);
          vn_invalid(vp);
--- 1218,1228 ----
  
          vp = RTOV4(rp);
          vfsp = vp->v_vfsp;
  
          uninit_rnode4(rp);
!         atomic_dec_ulong((ulong_t *)&rnode4_new);
  #ifdef DEBUG
          clstat4_debug.nrnode.value.ui64--;
  #endif
          kmem_cache_free(rnode4_cache, rp);
          vn_invalid(vp);