--- gdm-2.30.7/daemon/gdm-simple-slave.c-orig	2011-07-25 20:06:08.148214824 -0500
+++ gdm-2.30.7/daemon/gdm-simple-slave.c	2011-07-25 20:21:45.963098376 -0500
@@ -1382,7 +1382,31 @@ gdm_simple_slave_stop (GdmSlave *slave)
                  */
                 username = gdm_session_direct_get_username (GDM_SIMPLE_SLAVE (slave)->priv->session);
                 if (username != NULL) {
+                        char    *linc;
+                        char    *out;
+                        int      status;
+                        gboolean res;
+                        GError  *error;
+
                         gdm_slave_run_script (GDM_SLAVE (slave), GDMCONFDIR "/PostSession", username);
+                        linc = g_strdup_printf ("/usr/bin/su \"%s\" -c \"/usr/bin/linc-cleanup-sockets\"", username); 
+                        error = NULL;
+                        out = NULL;
+                        res = g_spawn_command_line_sync (linc,
+                                                         &out,
+                                                         NULL,
+                                                         &status,
+                                                         &error);
+                        if (res) {
+                                g_debug ("Ran linc-cleanup-sockets: %s", out);
+                        } else if (error != NULL) {
+                                g_debug ("Problem running linc-cleanup-sockets: %s", error->message);
+                                g_error_free (error);
+                        } else {
+                                g_debug ("Problem running linc-cleanup-sockets");
+                        }
+                        g_free (out);
+                        g_free (linc);
                 }
                 g_free (username);