[balsa/gtk3] Use a header bar in the preferences dialog

[Peter Bloomfield <peterb src gnome org>]

commit 917117c0f4f09c55b589db5c4a32f3c2971bede5
Author: Peter Bloomfield <PeterBloomfield bellsouth net>
Date:   Wed Mar 25 14:53:08 2015 -0400

    Use a header bar in the preferences dialog
    
        * src/pref-manager.c (open_preferences_manager): use a header
        bar.

 ChangeLog          |    5 +++++
 src/pref-manager.c |    5 +++--
 2 files changed, 8 insertions(+), 2 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index f6ab055..d762685 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
 2015-03-25  Peter Bloomfield  <pbloomfield bellsouth net>
 
+       * src/pref-manager.c (open_preferences_manager): use a header
+       bar.
+
+2015-03-25  Peter Bloomfield  <pbloomfield bellsouth net>
+
        * src/main-window.c (ensure_check_mail_dialog), (bw_find_real):
        use header bars in dialogs.
 
diff --git a/src/pref-manager.c b/src/pref-manager.c
index d144288..10a6dcd 100644
--- a/src/pref-manager.c
+++ b/src/pref-manager.c
@@ -505,10 +505,11 @@ open_preferences_manager(GtkWidget * widget, gpointer data)
     property_box =              /* must NOT be modal */
         gtk_dialog_new_with_buttons(_("Balsa Preferences"),
                                     GTK_WINDOW(active_win),
-                                    GTK_DIALOG_DESTROY_WITH_PARENT,
+                                    GTK_DIALOG_DESTROY_WITH_PARENT |
+                                    GTK_DIALOG_USE_HEADER_BAR,
                                     _("_OK"), GTK_RESPONSE_OK,
                                     _("_Apply"), GTK_RESPONSE_APPLY,
-                                    _("_Close"), GTK_RESPONSE_CLOSE,
+                                    _("_Cancel"), GTK_RESPONSE_CANCEL,
                                     _("_Help"), GTK_RESPONSE_HELP,
                                     NULL);
 #if HAVE_MACOSX_DESKTOP