Remove whitespace

src/thread.c

@@ -209,10 +209,10 @@ void bh_thread_pool_worker(void *arg)
         task->flags |= BH_THREAD_DONE;
         if (task->flags & BH_THREAD_CLEANUP)
             bh_task_free(task);
-        
+
         bh_mutex_lock(&pool->lock);
         pool->active--;
-        
+
         bh_mutex_unlock(&pool->lock);
         bh_cond_broadcast(&pool->done_task);
     }