stats: Freeing a user didn't remove it from hash table, leading to crash later.
stats: Freeing a user didn't remove it from hash table, leading to crash later.

LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot