[glib] GMenuExporter: allow NULL bus on _name_vanished

[Ryan Lortie <ryanl src gnome org>]

commit 212ffcc574d929ca0715960b4f29a4aab909a251
Author: Ryan Lortie <desrt desrt ca>
Date:   Tue Oct 16 12:27:12 2012 -0400

    GMenuExporter: allow NULL bus on _name_vanished
    
    GBusNameVanishedCallback is called with a NULL GDBusConnection in the
    case that the connection has vanished.  We were doing an assert to
    verify that it was the same as we had exported the menu on and that
    assert was failing.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=685995

 gio/gmenuexporter.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/gio/gmenuexporter.c b/gio/gmenuexporter.c
index e57ad47..8509ffd 100644
--- a/gio/gmenuexporter.c
+++ b/gio/gmenuexporter.c
@@ -556,7 +556,8 @@ g_menu_exporter_name_vanished (GDBusConnection *connection,
 {
   GMenuExporter *exporter = user_data;
 
-  g_assert (exporter->connection == connection);
+  /* connection == NULL when we get called because the connection closed */
+  g_assert (exporter->connection == connection || connection == NULL);
 
   g_hash_table_remove (exporter->remotes, name);
 }