log: Minor cleanup: Update ioloop_timeval whenever reading input from log client.
log: Minor cleanup: Update ioloop_timeval whenever reading input from log client.

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