builderlistitemfactory: Allow subclasses
authorBenjamin Otte <otte@redhat.com>
Fri, 31 Mar 2023 11:10:27 +0000 (13:10 +0200)
committerBenjamin Otte <otte@redhat.com>
Sat, 1 Apr 2023 18:49:40 +0000 (20:49 +0200)
commite76d615d5f622d24300880e62afc1901c4cdbcbb
tree173eba131ed642667793a59e29633f5cbb9dad1c
parentbeba8be6b5134a5916bd7372006628c98efbdb7b
builderlistitemfactory: Allow subclasses

It's going to be used with the new GtkColumnViewCell objects, so that
it's backwards compatible with ui file factories that use GtkListItem.
gtk/gtkbuilderlistitemfactory.c