!1196 fs/stat: make tmp variable 16-bytes aligned in copy stat

Merge Pull Request from: @ci-robot 
 
PR sync from: Yang Yingliang <yangyingliang@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/ORBGDUHLI4PUVZY5HOH6SBYHKAHHCELI/ 
 
 
Link:https://gitee.com/openeuler/kernel/pulls/1196

 

Reviewed-by: zhangyi (F) <yi.zhang@huawei.com>
Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com>