[gtkmm] Gtk::Entry::get_icon_surface(): Add refreturn

[Kjell Ahlstedt <kjellahl src gnome org>]

commit bfb0cf6216c8e7a5303409f5c8949622f5387d5c
Author: Kjell Ahlstedt <kjellahlstedt gmail com>
Date:   Fri Oct 27 14:56:57 2017 +0200

    Gtk::Entry::get_icon_surface(): Add refreturn

 gtk/src/entry.hg |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gtk/src/entry.hg b/gtk/src/entry.hg
index f97fb22..6a97c33 100644
--- a/gtk/src/entry.hg
+++ b/gtk/src/entry.hg
@@ -137,8 +137,8 @@ public:
   void unset_icon(IconPosition icon_pos = IconPosition::PRIMARY);
 
   _WRAP_METHOD(Image::Type get_icon_storage_type(IconPosition icon_pos = IconPosition::PRIMARY) const, 
gtk_entry_get_icon_storage_type)
-  _WRAP_METHOD(Cairo::RefPtr<Cairo::Surface> get_icon_surface(IconPosition icon_pos = 
IconPosition::PRIMARY), gtk_entry_get_icon_surface)
-  _WRAP_METHOD(Cairo::RefPtr<const Cairo::Surface> get_icon_surface(IconPosition icon_pos = 
IconPosition::PRIMARY) const, gtk_entry_get_icon_surface, constversion)
+  _WRAP_METHOD(Cairo::RefPtr<Cairo::Surface> get_icon_surface(IconPosition icon_pos = 
IconPosition::PRIMARY), gtk_entry_get_icon_surface, refreturn)
+  _WRAP_METHOD(Cairo::RefPtr<const Cairo::Surface> get_icon_surface(IconPosition icon_pos = 
IconPosition::PRIMARY) const, gtk_entry_get_icon_surface, refreturn, constversion)
   _WRAP_METHOD(Glib::ustring get_icon_name(IconPosition icon_pos = IconPosition::PRIMARY) const, 
gtk_entry_get_icon_name)
   _WRAP_METHOD(Glib::RefPtr<Gio::Icon> get_icon_gicon(IconPosition icon_pos = IconPosition::PRIMARY), 
gtk_entry_get_icon_gicon, refreturn)
   _WRAP_METHOD(Glib::RefPtr<const Gio::Icon> get_icon_gicon(IconPosition icon_pos = IconPosition::PRIMARY) 
const, gtk_entry_get_icon_gicon, refreturn, constversion)