Update to new code

test/threadqueue.c

@@ -18,7 +18,7 @@ void *reader(void *arg)
     for (i = 0; i < CNT/2; i++) {
         struct uc_threadmsg *msg;
         struct my_msg *my;
-        if (uc_thread_queue_get(&queue, NULL, &msg) != 0) {
+        if (uc_thread_queue_get(&queue,  &msg) != 0) {
             printf("uc_threadqueue_get failed\n");
             return NULL;
         }