Make enum Gtk::ResponseType implicitly convertible to int
Make enum Gtk::ResponseType implicitly convertible to int

* gtk/src/dialog.hg: Add CONV_TO_INT to _WRAP_ENUM. Remove helper class
Dialog::ResponseTypeOrInt. Bug 86864

GNOME/gtkmm,GNOME/gtkmm,GNOME/gtkmm,GNOME/gtkmm