gnucash stable: [reports] modernisation - use define* for optional arguments

[Christopher Lam]

Updated	 via  https://github.com/Gnucash/gnucash/commit/683c7f61 (commit)
	from  https://github.com/Gnucash/gnucash/commit/bba1842e (commit)



commit 683c7f614d73977ad82e5a33928ce521488529ad
Author: Christopher Lam <christopher.lck at gmail.com>
Date:   Sat Jun 24 22:49:25 2023 +0800

    [reports] modernisation - use define* for optional arguments



Summary of changes:
 gnucash/report/html-document.scm    | 4 +---
 gnucash/report/html-style-sheet.scm | 5 ++---
 2 files changed, 3 insertions(+), 6 deletions(-)