mail_index_map_to_memory() didn't resize record if mapping was already in memory.
mail_index_map_to_memory() didn't resize record if mapping was already in
memory.

Distrotech/dovecot,Distrotech/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot,damoxc/dovecot,Distrotech/dovecot,damoxc/dovecot,damoxc/dovecot,Distrotech/dovecot,LTD-Beget/dovecot,Distrotech/dovecot,damoxc/dovecot,LTD-Beget/dovecot,damoxc/dovecot,LTD-Beget/dovecot