[gtkmm/gtkmm-3-22] Gtk::AboutDialog::get_logo(): Add refreturn

[Kjell Ahlstedt <kjellahl src gnome org>]

commit 84ae54ee90f705dab836df0b0835a0b0a3adcfda
Author: Kjell Ahlstedt <kjellahlstedt gmail com>
Date:   Fri Oct 27 14:51:29 2017 +0200

    Gtk::AboutDialog::get_logo(): Add refreturn

 gtk/src/aboutdialog.hg |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gtk/src/aboutdialog.hg b/gtk/src/aboutdialog.hg
index ccf961d..32dfcdd 100644
--- a/gtk/src/aboutdialog.hg
+++ b/gtk/src/aboutdialog.hg
@@ -91,8 +91,8 @@ public:
   _WRAP_METHOD(Glib::ustring get_translator_credits() const, gtk_about_dialog_get_translator_credits)
   _WRAP_METHOD(void set_translator_credits(const Glib::ustring& translator_credits), 
gtk_about_dialog_set_translator_credits)
 
-  _WRAP_METHOD(Glib::RefPtr<Gdk::Pixbuf> get_logo(), gtk_about_dialog_get_logo)
-  _WRAP_METHOD(Glib::RefPtr<const Gdk::Pixbuf> get_logo() const, gtk_about_dialog_get_logo, constversion)
+  _WRAP_METHOD(Glib::RefPtr<Gdk::Pixbuf> get_logo(), gtk_about_dialog_get_logo, refreturn)
+  _WRAP_METHOD(Glib::RefPtr<const Gdk::Pixbuf> get_logo() const, gtk_about_dialog_get_logo, refreturn, 
constversion)
 
   _WRAP_METHOD(void set_logo(const Glib::RefPtr<Gdk::Pixbuf>& logo), gtk_about_dialog_set_logo)