[file-roller] fr-new-archive-dialog: respect gtk-dialogs-use-header

[Paolo Bacchilega <paobac src gnome org>]

commit 0f2dab08dc8c577a89a32aeaa1f2467dcaf8c949
Author: Iain Lane <iain lane canonical com>
Date:   Thu Jan 8 16:44:53 2015 +0000

    fr-new-archive-dialog: respect gtk-dialogs-use-header
    
    https://bugzilla.gnome.org/show_bug.cgi?id=741925

 src/fr-new-archive-dialog.c |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)
---
diff --git a/src/fr-new-archive-dialog.c b/src/fr-new-archive-dialog.c
index 5f73669..84acb35 100644
--- a/src/fr-new-archive-dialog.c
+++ b/src/fr-new-archive-dialog.c
@@ -309,8 +309,13 @@ fr_new_archive_dialog_new (const char         *title,
                           GFile              *original_file)
 {
        FrNewArchiveDialog *self;
+       gboolean use_header;
 
-       self = g_object_new (FR_TYPE_NEW_ARCHIVE_DIALOG, "title", title, "use-header-bar", TRUE, NULL);
+       g_object_get (gtk_settings_get_default (),
+                                 "gtk-dialogs-use-header", &use_header,
+                                 NULL);
+
+       self = g_object_new (FR_TYPE_NEW_ARCHIVE_DIALOG, "title", title, "use-header-bar", use_header, NULL);
        _fr_new_archive_dialog_construct (self, parent, action, folder, default_name, original_file);
 
        return (GtkWidget *) self;