pg_authid exists only in postgres database, let's make sure we actually work...

pg_authid exists only in postgres database, let's make sure we actually work on that when granting SELECT on it ;)

utils.sh

@@ -310,7 +310,7 @@ function create_readonly_postgres_user() {
     # make sure the role exists and has the basic required privileges (and lacks the unneeded ones)
     PGPASSWORD="$PG_PASS" psql -h "$PG_HOST" -U "$PG_USER" -c "
         CREATE ROLE $RUSER_NAME NOSUPERUSER NOCREATEDB NOCREATEROLE LOGIN NOREPLICATION PASSWORD '$RUSER_PW';
-        GRANT SELECT ON pg_authid TO $RUSER_NAME;" \
+        GRANT SELECT ON pg_authid TO $RUSER_NAME;" postgres \
         || display_error_and_quit "Error creating the $RUSER_NAME role and granting SELECT on pg_authid."
     
     # get the list of roles