lib-storage: Fixed parsing corrupted mailbox list index header. Duplicate IDs should have caused an error instead of being silently ignored. Found by Coverity
lib-storage: Fixed parsing corrupted mailbox list index header.
Duplicate IDs should have caused an error instead of being silently ignored.
Found by Coverity

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