[gtkmm] Popover: Ignore a private method.

[Murray Cumming <murrayc src gnome org>]

commit 4bfcf2db88a8f19705c9e0645fa4db0649317400
Author: Murray Cumming <murrayc murrayc com>
Date:   Sun Aug 24 11:27:53 2014 +0200

    Popover: Ignore a private method.

 gtk/src/popover.hg |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/gtk/src/popover.hg b/gtk/src/popover.hg
index 918afbf..81bfc82 100644
--- a/gtk/src/popover.hg
+++ b/gtk/src/popover.hg
@@ -119,6 +119,8 @@ public:
 
   _WRAP_METHOD(void bind_model(const Glib::RefPtr<Gio::MenuModel>& model, const Glib::ustring& 
action_namespace{?}), gtk_popover_bind_model)
 
+  //Ignore private methods.
+  _IGNORE(gtk_popover_update_position)
 
   _WRAP_PROPERTY("relative-to", Widget*)
 // TODO