[gedit] Use the new Gtk style class for message dialogs

[Paolo Borelli <pborelli src gnome org>]

commit eaf71daf3be25e4d4bb822e73197bd3ccd21a1f2
Author: Paolo Borelli <pborelli gnome org>
Date:   Thu Jun 12 23:11:10 2014 +0200

    Use the new Gtk style class for message dialogs

 gedit/gedit-close-confirmation-dialog.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/gedit/gedit-close-confirmation-dialog.c b/gedit/gedit-close-confirmation-dialog.c
index c24dd71..846a088 100644
--- a/gedit/gedit-close-confirmation-dialog.c
+++ b/gedit/gedit-close-confirmation-dialog.c
@@ -153,7 +153,8 @@ gedit_close_confirmation_dialog_init (GeditCloseConfirmationDialog *dlg)
 
        action_area = gtk_dialog_get_action_area (GTK_DIALOG (dlg));
        gtk_button_box_set_layout (GTK_BUTTON_BOX (action_area), GTK_BUTTONBOX_EXPAND);
-       gtk_style_context_add_class (gtk_widget_get_style_context (GTK_WIDGET (dlg)), "prompt");
+       gtk_style_context_add_class (gtk_widget_get_style_context (GTK_WIDGET (dlg)),
+                                                                  GTK_STYLE_CLASS_MESSAGE_DIALOG);
 
        g_signal_connect (dlg,
                          "response",