Update egs2/TEMPLATE/tts2/tts2.sh

Co-authored-by: Tomoki Hayashi <hayashi.tomoki@g.sp.m.is.nagoya-u.ac.jp>

egs2/TEMPLATE/tts2/tts2.sh

@@ -584,6 +584,7 @@ if ! "${skip_data_prep}"; then
         # NOTE(Jinchuan): also build the tgt_vocab even though this is quite naive.
         #   We may include more control token here to imporve it.
         mkdir -p "${km_dir}"
+        mkdir -p "${km_dir}"
         (for n in `seq 1 ${feature_num_clusters}`; do
             echo "<auido_token_${n}>"
         done) > ${tgt_token_list}