columnview: Be more defensive
authorMatthias Clasen <mclasen@redhat.com>
Sun, 12 Mar 2023 07:23:16 +0000 (08:23 +0100)
committerMatthias Clasen <mclasen@redhat.com>
Sun, 12 Mar 2023 07:25:58 +0000 (08:25 +0100)
commit352b8cb70eefa60203d62eb69053d70b73d41042
tree9be5f6383f51e782ffe9e20796a09250d245f02f
parentdc50c790c57cf7a77f91d08b8b3723ef1ba6837d
columnview: Be more defensive

I am not sure how we can have no listitem here,
but better to be safe than sorry.

Fixes: #5659
gtk/gtkcolumnlistitemfactory.c