Allow passing a `NULL` factory to `gtk_column_view_column_new()`

diff --git a/gtk/gtkcolumnviewcolumn.c b/gtk/gtkcolumnviewcolumn.c
index ad62b34eca8a943710a3368a061f089fad3abab7..557b9debd4ffdfb2cae1c3a889926d7b4dc083f8 100644 (file)
--- a/gtk/gtkcolumnviewcolumn.c
+++ b/gtk/gtkcolumnviewcolumn.c
@@ -379,7 +379,7 @@ gtk_column_view_column_new (const char         *title,
 {
   GtkColumnViewColumn *result;
 
-  g_return_val_if_fail (GTK_IS_LIST_ITEM_FACTORY (factory), NULL);
+  g_return_val_if_fail (factory == NULL || GTK_IS_LIST_ITEM_FACTORY (factory), NULL);
 
   result = g_object_new (GTK_TYPE_COLUMN_VIEW_COLUMN,
                          "factory", factory,