Incorrect mentions to pg_xlog in walmethods.c/h

When Who What
2017-07-05 05:38:53 Michael Paquier (michael-kun) Closed in commitfest 2017-09 with status: Committed
2017-07-05 05:38:53 Michael Paquier (michael-kun) Changed committer to petere
2017-07-05 05:29:14 Ryan Murphy (murftown) Posted review with messageid <20170705052914.1381.47190.pgcf@coridan.postgresql.org>
2017-07-05 05:29:14 Ryan Murphy (murftown) New status: Ready for Committer
2017-07-05 05:26:44 Ryan Murphy (murftown) Added murftown as reviewer
2017-06-30 06:58:25 Michael Paquier (michael-kun) Changed authors to Michael Paquier (michael-kun)
2017-06-30 06:58:19 Michael Paquier (michael-kun) Attached mail thread CAB7nPqT2LSvM_aQxZ2oDT5ifRfjZry-7_s0JmWKv_y4-uvaDmg@mail.gmail.com
2017-06-30 06:58:19 Michael Paquier (michael-kun) Created patch record