If we couldn't lock dovecot-uidlist, drop our appends so they don't get written to transaction log with uid=0.
If we couldn't lock dovecot-uidlist, drop our appends so they don't get
written to transaction log with uid=0.

damoxc/dovecot,damoxc/dovecot,damoxc/dovecot,damoxc/dovecot,damoxc/dovecot