airo: use set_current_state macro

Use set_current_state macro instead of current->state = TASK_RUNNING.
Signed-off-by: Xu Wang <vulab@iscas.ac.cn>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200702015701.8606-1-vulab@iscas.ac.cn

drivers/net/wireless/cisco/airo.c

@@ -3113,7 +3113,7 @@ static int airo_thread(void *data) {
 				}
 				break;
 			}
-			current->state = TASK_RUNNING;
+			__set_current_state(TASK_RUNNING);
 			remove_wait_queue(&ai->thr_wait, &wait);
 			locked = 1;
 		}