lib-index: If cache file unexpectedly shrinks in header lookup, log an error.
lib-index: If cache file unexpectedly shrinks in header lookup, log an error.

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