speex_free(st->comb_mem);
void nb_decoder_destroy(void *state){   DecState *st;   st=(DecState*)state;   speex_free(st->inBuf);   speex_free(st->excBuf);   speex_free(st->innov);   speex_free(st->interp_qlpc);   speex_free(st->qlsp);   speex_free(st->old_qlsp);   speex_free(st->interp_qlsp);   speex_free(st->stack);   speex_free(st->mem_sp);   speex_free(st->pi_gain);      speex_free(state);}