[vala] gobject-2.0: make ObjectClass.list_properties transfer container

[Evan Nemerson <evann src gnome org>]

commit 35a5c184b32d89718a0611b1f75af21299beac04
Author: Evan Nemerson <evan nemerson com>
Date:   Wed Jun 11 19:41:51 2014 -0700

    gobject-2.0: make ObjectClass.list_properties transfer container
    
    Fixes bug 620419.

 vapi/gobject-2.0.vapi |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/vapi/gobject-2.0.vapi b/vapi/gobject-2.0.vapi
index b75ad7c..426b2be 100644
--- a/vapi/gobject-2.0.vapi
+++ b/vapi/gobject-2.0.vapi
@@ -291,7 +291,7 @@ namespace GLib {
        public class ObjectClass : TypeClass {
                public unowned ParamSpec? find_property (string property_name);
                [CCode (array_length_type = "guint")]
-               public unowned ParamSpec[] list_properties ();
+               public (unowned ParamSpec)[] list_properties ();
                public void install_property (uint property_id, ParamSpec pspec);
        }