gnucash stable: [gnc-tree-container.hpp] if the GtkTreeModel is empty, init m_iter with std::nullopt

[Christopher Lam]

Updated	 via  https://github.com/Gnucash/gnucash/commit/1e44d1a7 (commit)
	from  https://github.com/Gnucash/gnucash/commit/891e3936 (commit)



commit 1e44d1a73ac3866007e6ba805a5ad7ef281cfaae
Author: Christopher Lam <christopher.lck at gmail.com>
Date:   Fri Aug 18 23:10:15 2023 +0800

    [gnc-tree-container.hpp] if the GtkTreeModel is empty, init m_iter with std::nullopt
    
    Thus an empty container will evaluate begin()==end() as true.



Summary of changes:
 gnucash/gnome-utils/gnc-tree-container.hpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)