[glade/gbinding] Make glade_property_set_binding() accept NULL and prevent the binding from leaking

[Denis Washington <denisw src gnome org>]

commit 4a052589ee77462b0da83da4e350b16bff1ffe3a
Author: Denis Washington <denisw src gnome org>
Date:   Fri Jun 17 19:50:46 2011 +0200

    Make glade_property_set_binding() accept NULL and prevent the binding from leaking

 gladeui/glade-property.c |   11 ++++++++---
 1 files changed, 8 insertions(+), 3 deletions(-)
---
diff --git a/gladeui/glade-property.c b/gladeui/glade-property.c
index adbbda5..63e905e 100644
--- a/gladeui/glade-property.c
+++ b/gladeui/glade-property.c
@@ -1576,11 +1576,16 @@ glade_property_set_binding (GladeProperty    *property,
                             GladeBinding     *binding)
 {
   g_return_if_fail (GLADE_IS_PROPERTY (property));
-  g_return_if_fail (GLADE_IS_BINDING (binding));
-  g_return_if_fail (glade_binding_get_target (binding) == property);
+  g_return_if_fail ((GLADE_IS_BINDING (binding)
+                     && glade_binding_get_target (binding) == property)
+                    || !binding);
+
+  if (property->priv->binding)
+    g_object_unref (property->priv->binding);
   
   property->priv->binding = binding;
-  g_object_ref (binding);
+  if (binding)
+    g_object_ref (binding);
 }
 
 static gint glade_property_su_stack = 0;