gtk/window.go
func WindowSetDefaultIcon(icon *gdk.Pixbuf) {
	iconPtr := (*C.GdkPixbuf)(unsafe.Pointer(icon.Native()))
	C.gtk_window_set_default_icon(iconPtr)
}
func WindowSetDefaultIcon(icon *gdk.Pixbuf) {
	iconPtr := (*C.GdkPixbuf)(unsafe.Pointer(icon.Native()))
	C.gtk_window_set_default_icon(iconPtr)
}
// WindowSetDefaultIcon is a wrapper around gtk_window_set_default_icon().