C版本的TurnBackId计算有误

[lns0303]

static inline int64_t CalcTurnBackId(SnowFlakeWorker *worker) {
    uint64_t result = (worker->_LastTimeTick << worker->_TimestampShift) | (worker->WorkerId << worker->SeqBitLength) |
                      (worker->_TurnBackIndex);
    worker->_TurnBackTimeTick--;
    return result;
}

时间戳部分应该是使用worker->_TurnBackTimeTick进行计算吧，master分支目前是使用worker->_LastTimeTick. 应修改为以下：

static inline int64_t CalcTurnBackId(SnowFlakeWorker *worker) {
    uint64_t result = (worker->_TurnBackTimeTick << worker->_TimestampShift) | (worker->WorkerId << worker->SeqBitLength) |
                      (worker->_TurnBackIndex);
    worker->_TurnBackTimeTick--;
    return result;
}

[yitter]

是的，确实如此