pgsql: Renumber confusing value for GUC_UNIT_BYTE

Renumber confusing value for GUC_UNIT_BYTE

It had a power-of-two value, which looks right, and causes the other
values which aren't powers-of-two to look wrong. But this is tested
for equality and not a bitwise test.

See also:
6e7baa322773ff8c79d4d8883c99fdeff5bfa679
/messages/by-id/CAOG9ApEu8bXVwBxkOO9J7ZpM76TASK_vFMEEiCEjwhMmSLiaqQ@mail.gmail.com

Author: Justin Pryzby <pryzby@telsasoft.com>
Discussion: /messages/by-id/20220720145220.GJ12702@telsasoft.com

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/3fe76ab9722c2891855dd2b34261f7c23a2e5b2b

Modified Files
--------------
src/include/utils/guc.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)