pgsql: Avoid time-of-day-dependent failure in log rotation test.

Avoid time-of-day-dependent failure in log rotation test. Buildfarm members pogona and petalura have shown a failure when pg_ctl/t/004_logrotate.pl starts just before local midnight. The default rotate-at-midnight behavior occurs just before the Perl script examines current_logfiles, so it figures

pgsql: Avoid time-of-day-dependent failure in log rotation test.

Avoid time-of-day-dependent failure in log rotation test. Buildfarm members pogona and petalura have shown a failure when pg_ctl/t/004_logrotate.pl starts just before local midnight. The default rotate-at-midnight behavior occurs just before the Perl script examines current_logfiles, so it figures

pgsql: Avoid time-of-day-dependent failure in log rotation test.

Avoid time-of-day-dependent failure in log rotation test. Buildfarm members pogona and petalura have shown a failure when pg_ctl/t/004_logrotate.pl starts just before local midnight. The default rotate-at-midnight behavior occurs just before the Perl script examines current_logfiles, so it figures