rem: if ( gtk_toggle_button_get_active ( checkbox ) )
add: if ( gtk_toggle_button_get_active ( GTK_TOGGLE_BUTTON (checkbox)))
context: gboolean gsb_gui_encryption_toggled ( GtkWidget * checkbox, gpointer data ){    if ( gtk_toggle_button_get_active ( checkbox ) )    {	dialog_message ( "encryption-is-irreversible" );    }    return FALSE;}