[gedit] Update smclient

[Ignacio Casal Quinteiro <icq src gnome org>]

commit f5b10094eff898432d1e36d27dd4b364b15a16ee
Author: Ignacio Casal Quinteiro <icq gnome org>
Date:   Wed Sep 28 12:31:19 2011 +0200

    Update smclient

 gedit/smclient/eggsmclient-xsmp.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/gedit/smclient/eggsmclient-xsmp.c b/gedit/smclient/eggsmclient-xsmp.c
index 9fd1e5d..d5cf3b5 100644
--- a/gedit/smclient/eggsmclient-xsmp.c
+++ b/gedit/smclient/eggsmclient-xsmp.c
@@ -193,6 +193,11 @@ egg_sm_client_xsmp_class_init (EggSMClientXSMPClass *klass)
 EggSMClient *
 egg_sm_client_xsmp_new (void)
 {
+#if GTK_CHECK_VERSION(3,0,0)
+  if (!GDK_IS_X11_DISPLAY_MANAGER (gdk_display_manager_get ()))
+    return NULL;
+#endif
+
   if (!g_getenv ("SESSION_MANAGER"))
     return NULL;