BREAKING CHANGE: The tm struct obtained by mktime lacks timezone information 变更API: time_t mktime(struct tm *tmptr) 原先mktime从入参中获取时区信息进行计算,变更后tm结构体和返回值time_t的计算使用系统g_timezone时区环境变量。 Close I67UIA Signed-off-by: arvinzzz <zhaotianyu9@huawei.com> Change-Id: I766cffbff3c1a25bb33cbd245225ee117909af3a