mempool system clean: Don't break if realloc() shrinks the memory area.
mempool system clean: Don't break if realloc() shrinks the memory area.

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