[latexila] BuildToolsPreferences: use headerbar

[Sébastien Wilmet <swilmet src gnome org>]

commit b9cb810a8f08f5740a874a1dde82b46c1f49420c
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Mon Apr 6 16:53:45 2015 +0200

    BuildToolsPreferences: use headerbar
    
    To be consistent with the BuildToolDialog that uses also an headerbar.

 src/build_tools_preferences.vala |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)
---
diff --git a/src/build_tools_preferences.vala b/src/build_tools_preferences.vala
index 16bb9ee..2f2e87f 100644
--- a/src/build_tools_preferences.vala
+++ b/src/build_tools_preferences.vala
@@ -50,9 +50,11 @@ public class BuildToolsPreferences : GLib.Object
 
         init_views ();
 
-        _dialog = new Dialog.with_buttons (_("Build Tools"), main_window,
-            DialogFlags.DESTROY_WITH_PARENT,
-            _("_Close"), ResponseType.ACCEPT);
+        _dialog = GLib Object  new (typeof (Gtk.Dialog), "use-header-bar", true, null)
+            as Gtk.Dialog;
+        _dialog.set_transient_for (main_window);
+        _dialog.destroy_with_parent = true;
+        _dialog.title = _("Build Tools");
 
         Grid hgrid = new Grid ();
         hgrid.set_orientation (Orientation.HORIZONTAL);