Remove some whitespace in generated C output
It doesn't match the normal coding style.
Reviewed-by: Kyotaro Horiguchi <horikyota.ntt@gmail.com>
Reviewed-by: Heikki Linnakangas <hlinnaka@iki.fi>
Discussion: https://www.postgresql.org/message-id/flat/
22016aa9-ca59-15c7-01df-
f292cb558c4d@enterprisedb.com