[vala/staging] gtk4: Update to 3.98.5+1d1f618a

[Rico Tzschichholz <ricotz src gnome org>]

commit 34187c4de8689a0187ba0ea8a4d998c3f2e1a943
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Fri Jun 26 12:41:39 2020 +0200

    gtk4: Update to 3.98.5+1d1f618a

 vapi/gtk4.vapi | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/vapi/gtk4.vapi b/vapi/gtk4.vapi
index 581a5234a..d41e933e9 100644
--- a/vapi/gtk4.vapi
+++ b/vapi/gtk4.vapi
@@ -7633,7 +7633,7 @@ namespace Gtk {
                public unowned Gtk.ListItemFactory? get_list_factory ();
                public unowned GLib.ListModel? get_model ();
                public uint get_selected ();
-               public void* get_selected_item ();
+               public unowned GLib.Object? get_selected_item ();
                public void set_enable_search (bool enable_search);
                public void set_expression (Gtk.Expression? expression);
                public void set_factory (Gtk.ListItemFactory? factory);
@@ -10965,7 +10965,7 @@ namespace Gtk {
        [CCode (cheader_filename = "gtk/gtk.h", type_id = "gtk_string_list_get_type ()")]
        public class StringList : GLib.Object, GLib.ListModel, Gtk.Buildable {
                [CCode (has_construct_function = false)]
-               public StringList ([CCode (array_length = false)] string[]? strings);
+               public StringList ([CCode (array_length = false, array_null_terminated = true)] string[]? 
strings);
                public void append (string str);
                public unowned string get_string (uint position);
                public void remove (uint position);