dialect: meta: update parse callback prototype

mie/dialect/meta/op/source-filename.c

@@ -7,7 +7,9 @@ static enum mie_status print(struct mie_printer *printer, const struct mie_op *o
 	return MIE_SUCCESS;
 }
 
-static enum mie_status parse(struct mie_parser *parser, struct mie_op *out)
+static enum mie_status parse(
+	struct mie_parser *parser, struct mie_parser_scope *scope,
+	struct mie_op *out)
 {
 	return MIE_SUCCESS;
 }