rem: on_error_event (BaconVideoWidget *bvw, const char *message, Totem *totem)
add: on_error_event (BaconVideoWidget *bvw, char *message, Totem *totem)
context: on_error_event (BaconVideoWidget *bvw, const char *message, Totem *totem){	totem_action_error (message, totem);}