gnucash maint: [dialog-options] Plug memory leak

[Christopher Lam]

Updated	 via  https://github.com/Gnucash/gnucash/commit/b51d227a (commit)
	from  https://github.com/Gnucash/gnucash/commit/7f1335e6 (commit)



commit b51d227aff62c3f3fee31ecec34cf58240bcb963
Author: Christopher Lam <christopher.lck at gmail.com>
Date:   Mon Mar 15 22:03:15 2021 +0800

    [dialog-options] Plug memory leak
    
    37a403144 had leaks.



Summary of changes:
 gnucash/gnome-utils/dialog-options.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)