pgsql: Make some indentation in gram.y consistent

Make some indentation in gram.y consistent Reviewed-by: Amit Langote Discussion: https://www.postgresql.org/message-id/flat/CA+HiwqE4XTdfb1nW=ojoy_tqsrhyt-q_kb6i5d4xckyrlc1...@mail.gmail.com Branch -- REL_16_STABLE Details --- https://git.postgresql.org/pg/commitdiff/01f1f789df5631b831

pgsql: Make some indentation in gram.y consistent

Make some indentation in gram.y consistent Reviewed-by: Amit Langote Discussion: https://www.postgresql.org/message-id/flat/CA+HiwqE4XTdfb1nW=ojoy_tqsrhyt-q_kb6i5d4xckyrlc1...@mail.gmail.com Branch -- master Details --- https://git.postgresql.org/pg/commitdiff/5edf438eeb00271cca5d19d0e