[gnome-session] fix string format

[Olav Vitters <ovitters src gnome org>]

commit 3a866bc6f4df218bfa8d4f5a90163ba70fe8d145
Author: Dexter Morgan <dmorganec gmail com>
Date:   Wed Sep 28 01:54:18 2011 +0200

    fix string format

 gnome-session/gsm-manager.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gnome-session/gsm-manager.c b/gnome-session/gsm-manager.c
index 4d111ea..94a8143 100644
--- a/gnome-session/gsm-manager.c
+++ b/gnome-session/gsm-manager.c
@@ -1344,7 +1344,7 @@ show_fallback_dialog (const char *title,
         dialog = gtk_message_dialog_new (NULL, 0,
                                          GTK_MESSAGE_WARNING,
                                          GTK_BUTTONS_CLOSE,
-                                         title);
+                                         "%s", title);
 
         gtk_window_set_icon_name (GTK_WINDOW (dialog), GSM_ICON_COMPUTER_FAIL);
 
@@ -1354,7 +1354,7 @@ show_fallback_dialog (const char *title,
 
         if (description) {
                 gtk_message_dialog_format_secondary_markup (GTK_MESSAGE_DIALOG (dialog),
-                                                            description);
+                                                            "%s", description);
         }
 
         hbox = gtk_message_dialog_get_message_area (GTK_MESSAGE_DIALOG (dialog));