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

*** 1150,1160 ****
  {
          fcoe_worker_t   *w = (fcoe_worker_t *)arg;
          fcoe_i_frame_t  *fmi;
          int             ret;
  
!         atomic_add_32(&fcoe_nworkers_running, 1);
          mutex_enter(&w->worker_lock);
          w->worker_flags |= FCOE_WORKER_STARTED | FCOE_WORKER_ACTIVE;
          while ((w->worker_flags & FCOE_WORKER_TERMINATE) == 0) {
                  /*
                   * loop through the frames
--- 1150,1160 ----
  {
          fcoe_worker_t   *w = (fcoe_worker_t *)arg;
          fcoe_i_frame_t  *fmi;
          int             ret;
  
!         atomic_inc_32(&fcoe_nworkers_running);
          mutex_enter(&w->worker_lock);
          w->worker_flags |= FCOE_WORKER_STARTED | FCOE_WORKER_ACTIVE;
          while ((w->worker_flags & FCOE_WORKER_TERMINATE) == 0) {
                  /*
                   * loop through the frames
*** 1179,1189 ****
                  cv_wait(&w->worker_cv, &w->worker_lock);
                  w->worker_flags |= FCOE_WORKER_ACTIVE;
          }
          w->worker_flags &= ~(FCOE_WORKER_STARTED | FCOE_WORKER_ACTIVE);
          mutex_exit(&w->worker_lock);
!         atomic_add_32(&fcoe_nworkers_running, -1);
          list_destroy(&w->worker_frm_list);
  }
  
  void
  fcoe_post_frame(fcoe_frame_t *frm)
--- 1179,1189 ----
                  cv_wait(&w->worker_cv, &w->worker_lock);
                  w->worker_flags |= FCOE_WORKER_ACTIVE;
          }
          w->worker_flags &= ~(FCOE_WORKER_STARTED | FCOE_WORKER_ACTIVE);
          mutex_exit(&w->worker_lock);
!         atomic_dec_32(&fcoe_nworkers_running);
          list_destroy(&w->worker_frm_list);
  }
  
  void
  fcoe_post_frame(fcoe_frame_t *frm)