Correct negative/zero year in to_date/to_timestamp

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2016-03-11 23:15:01 David Steele (dsteele) Closed in commitfest 2016-03 with status: Rejected
2016-02-26 14:24:28 Ivan Kartyshov (fenimorkin) Added fenimorkin as reviewer
2016-02-26 14:24:08 Ivan Kartyshov (fenimorkin) Posted review with messageid <20160226142408.1324.64476.pgcf@coridan.postgresql.org>
2016-02-22 23:02:30 Vitaly Burovoy (vitaly.burovoy) Changed authors to Vitaly Burovoy (vitaly.burovoy)
2016-02-22 23:01:27 Vitaly Burovoy (vitaly.burovoy) Attached mail thread CAKOSWNmwCH0wx6MApc1A8ww++EQmG07AZ3t6w_XjRrV1xeZpTA@mail.gmail.com
2016-02-22 23:01:27 Vitaly Burovoy (vitaly.burovoy) Created patch record