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

*** 636,646 ****
          }
  
          /* ir_name is all 0 to begin with */
          (void) memcpy(rule->ir_name, cmd->name, ILB_RULE_NAMESZ - 1);
  
!         rule->ir_ks_instance = atomic_add_int_nv(&ilb_kstat_instance, 1);
          stackid = (netstackid_t)(uintptr_t)ilbs->ilbs_ksp->ks_private;
          if ((rule->ir_ksp = ilb_rule_kstat_init(stackid, rule)) == NULL) {
                  ret = ENOMEM;
                  goto error;
          }
--- 636,646 ----
          }
  
          /* ir_name is all 0 to begin with */
          (void) memcpy(rule->ir_name, cmd->name, ILB_RULE_NAMESZ - 1);
  
!         rule->ir_ks_instance = atomic_inc_uint_nv(&ilb_kstat_instance);
          stackid = (netstackid_t)(uintptr_t)ilbs->ilbs_ksp->ks_private;
          if ((rule->ir_ksp = ilb_rule_kstat_init(stackid, rule)) == NULL) {
                  ret = ENOMEM;
                  goto error;
          }