[vala/0.48] gtk4: Fix content_deserialize_async()

[Rico Tzschichholz <ricotz src gnome org>]

commit e8d43d1be51a47eee47eca2c265305609e234983
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Mon Feb 28 12:12:56 2022 +0100

    gtk4: Fix content_deserialize_async()

 vapi/gtk4.vapi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/vapi/gtk4.vapi b/vapi/gtk4.vapi
index a8c9a2e98..f864f714d 100644
--- a/vapi/gtk4.vapi
+++ b/vapi/gtk4.vapi
@@ -5904,7 +5904,7 @@ namespace Gdk {
        [CCode (cheader_filename = "gdk/gdk.h")]
        public static void cairo_set_source_rgba (Cairo.Context cr, Gdk.RGBA rgba);
        [CCode (cheader_filename = "gdk/gdk.h")]
-       public static async bool content_deserialize_async (GLib.InputStream stream, string mime_type, 
GLib.Type type, int io_priority, GLib.Cancellable? cancellable) throws GLib.Error;
+       public static async bool content_deserialize_async (GLib.InputStream stream, string mime_type, 
GLib.Type type, int io_priority, GLib.Cancellable? cancellable, out GLib.Value value) throws GLib.Error;
        [CCode (cheader_filename = "gdk/gdk.h")]
        public static void content_register_deserializer (string mime_type, GLib.Type type, 
Gdk.ContentDeserializeFunc deserialize, void* data, GLib.DestroyNotify notify);
        [CCode (cheader_filename = "gdk/gdk.h")]