pgsql: Improve format of code and some error messages in pg_checksums

Improve format of code and some error messages in pg_checksums

This makes the code more consistent with the surroundings.

Author: Fabrízio de Royes Mello
Discussion: https://postgr.es/m/CAFcNs+pXb_35r5feMU3-dWsWxXU=Yjq+spUsthFyGFbT0QcaKg@mail.gmail.com

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/4ba96d1b82d694fead0ac709f9429cbb7ea89cb0

Modified Files
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src/bin/pg_checksums/pg_checksums.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)