Commit
3aa0395d4ed3 made worrying about BKI_ROWTYPE_OID matching no
longer necessary, but this comment didn't get the memo.
# Note: only bootstrap catalogs, ie those marked BKI_BOOTSTRAP, need to
# have entries here. Be sure that the OIDs listed here match those given in
-# their CATALOG and BKI_ROWTYPE_OID macros.
+# the corresponding CATALOG macros.
{ oid => '1247',
relname => 'pg_type', reltype => 'pg_type' },