[gitg] Use headerbar in the author details dialog

[Yosef Or Boczko <yoseforb src gnome org>]

commit 05564e62f213b56582dcd8cf0f2de273c5c78faa
Author: Yosef Or Boczko <yoseforb src gnome org>
Date:   Mon Apr 14 10:58:20 2014 +0300

    Use headerbar in the author details dialog
    
    https://bugzilla.gnome.org/show_bug.cgi?id=727068

 gitg/gitg-author-details-dialog.vala |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/gitg/gitg-author-details-dialog.vala b/gitg/gitg-author-details-dialog.vala
index c689f61..cc4a21f 100644
--- a/gitg/gitg-author-details-dialog.vala
+++ b/gitg/gitg-author-details-dialog.vala
@@ -43,6 +43,8 @@ namespace Gitg
 
                public AuthorDetailsDialog (Gtk.Window? parent, Ggit.Config config, string? repository_name)
                {
+                       Object (use_header_bar: 1);
+
                        if (parent != null)
                        {
                                set_transient_for (parent);