gnucash maint: [account-piecharts] don't use gnc:make-internal-option

[Christopher Lam]

Updated	 via  https://github.com/Gnucash/gnucash/commit/7ba97e35 (commit)
	from  https://github.com/Gnucash/gnucash/commit/551b11db (commit)



commit 7ba97e35d72fd73ec02a9f5dbde1452680c1afa5
Author: Christopher Lam <christopher.lck at gmail.com>
Date:   Tue Dec 14 12:54:13 2021 +0800

    [account-piecharts] don't use gnc:make-internal-option



Summary of changes:
 .../report/reports/standard/account-piecharts.scm  | 31 ++++++++--------------
 1 file changed, 11 insertions(+), 20 deletions(-)