Check for the session bus before using it

Patch by Chris Allen, #475

diff --git a/gtk/gtkapplication-dbus.c b/gtk/gtkapplication-dbus.c
index e83265091cbf5402b0d385491bb6a931cc203a61..25766aaae2ac75213e7809e101dc6cc53644512f 100644 (file)
--- a/gtk/gtkapplication-dbus.c
+++ b/gtk/gtkapplication-dbus.c
@@ -424,7 +424,7 @@ gtk_application_impl_dbus_startup (GtkApplicationImpl *impl,
                   "gtk-shell-shows-menubar", FALSE,
                   NULL);
 
-  if (dbus->sm_proxy == NULL)
+  if (dbus->sm_proxy == NULL && dbus->session)
     {
       dbus->inhibit_proxy = gtk_application_get_proxy_if_service_present (dbus->session,
                                                                           G_DBUS_PROXY_FLAGS_NONE,