Nathan Bossart e43537cdc3 Use PqMsg_* macros in postgres.c.
Commit f4b54e1ed9, which introduced macros for protocol characters,
missed updating a couple of places in postgres.c.

Author: Dave Cramer
Reviewed-by: Fabrízio de Royes Mello
Discussion: https://postgr.es/m/CADK3HHJUVBPoVOmFesPB-fN8_dYt%2BQELV2UB6jxOW2Z40qF-qw%40mail.gmail.com
Backpatch-through: 17
2025-01-07 15:34:19 -06:00
..
2024-04-03 17:41:57 -04:00
2025-01-07 15:34:19 -06:00