gtk/window.go
func WindowSetDefaultIconName(s string) {
	cstr := (*C.gchar)(C.CString(s))
	defer C.free(unsafe.Pointer(cstr))
	C.gtk_window_set_default_icon_name(cstr)
}
func WindowSetDefaultIconName(s string) {
	cstr := (*C.gchar)(C.CString(s))
	defer C.free(unsafe.Pointer(cstr))
	C.gtk_window_set_default_icon_name(cstr)
}
// WindowSetDefaultIconName is a wrapper around gtk_window_set_default_icon_name().