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

*** 2627,2637 ****
          char device_path[MAXPATHLEN];
          nv_alloc_t *nva;
  
          *eqep = errorq_reserve(fmhdl->fh_errorq);
          if (*eqep == NULL) {
!                 atomic_add_64(&fmhdl->fh_kstat.fek_erpt_dropped.value.ui64, 1);
                  return (DDI_FAILURE);
          }
  
          *ereport = errorq_elem_nvl(fmhdl->fh_errorq, *eqep);
          nva = errorq_elem_nva(fmhdl->fh_errorq, *eqep);
--- 2627,2637 ----
          char device_path[MAXPATHLEN];
          nv_alloc_t *nva;
  
          *eqep = errorq_reserve(fmhdl->fh_errorq);
          if (*eqep == NULL) {
!                 atomic_inc_64(&fmhdl->fh_kstat.fek_erpt_dropped.value.ui64);
                  return (DDI_FAILURE);
          }
  
          *ereport = errorq_elem_nvl(fmhdl->fh_errorq, *eqep);
          nva = errorq_elem_nva(fmhdl->fh_errorq, *eqep);