[pygobject/pygobject-2-28] Fix set_qdata warning on accessing NULL gobject property

[Martin Pitt <martinpitt src gnome org>]

commit 42d871eb0b08ee6d55e95cc7e4b90844919555b9
Author: Ivan Stankovic <ivan stankovic avl com>
Date:   Tue Feb 21 12:24:58 2012 +0100

    Fix set_qdata warning on accessing NULL gobject property
    
    https://bugzilla.gnome.org/show_bug.cgi?id=661155

 gobject/pygobject.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/gobject/pygobject.c b/gobject/pygobject.c
index 6c2f06c..70dc89a 100644
--- a/gobject/pygobject.c
+++ b/gobject/pygobject.c
@@ -991,7 +991,9 @@ pygobject_new(GObject *obj)
 PyObject *
 pygobject_new_sunk(GObject *obj)
 {
-    g_object_set_qdata (obj, pygobject_ref_sunk_key, GINT_TO_POINTER (1));
+    if (obj)
+       g_object_set_qdata (obj, pygobject_ref_sunk_key, GINT_TO_POINTER (1));
+       
     return pygobject_new_full(obj, TRUE, NULL);
 }