pg_receivexlog: spurious error message connecting from 9.5/9.6 to 9.3

When Who What
2016-01-05 20:28:08 Álvaro Herrera (alvherre) Closed in commitfest 2016-01 with status: Committed
2016-01-05 20:28:07 Álvaro Herrera (alvherre) Changed committer to alvherre
2015-11-16 18:19:01 Marco Nenciarini (mnencia) Changed authors to Marco Nenciarini (mnencia)
2015-11-16 18:19:01 Marco Nenciarini (mnencia) Changed reviewers to Craig Ringer (ringerc)
2015-11-16 18:17:05 Marco Nenciarini (mnencia) Attached mail thread 5640DC2D.7000208@2ndquadrant.it
2015-11-16 18:17:05 Marco Nenciarini (mnencia) Created patch record