libtwolame: add forgotten calls

Signed-off-by: Paul B Mahol <onemda@gmail.com>

libavcodec/libtwolame.c

@@ -67,6 +67,8 @@ static av_cold int twolame_encode_init(AVCodecContext *avctx)
     twolame_set_psymodel(s->glopts, s->psymodel);
     twolame_set_energy_levels(s->glopts, s->energy);
     twolame_set_error_protection(s->glopts, s->error_protection);
+    twolame_set_copyright(s->glopts, s->copyright);
+    twolame_set_original(s->glopts, s->original);
 
     twolame_set_num_channels(s->glopts, avctx->channels);
     twolame_set_in_samplerate(s->glopts, avctx->sample_rate);