Alan Guo Xiang Tan 2923abdec7 SECURITY: Don't leak user of previous whisper post when deleting a topic.
A topic's last poster can be incorrectly set to a user of a whisper post
if the whisper post is before the last post and the last post is
deleted.
2021-07-23 15:42:23 +08:00
..
2019-10-16 14:28:04 -04:00