fix vad_scorer args

lyblsgo

2023-04-21 c4142f8a111ddce1c7cbe2259c3329045842822b

 funasr/models/encoder/opennmt_encoders/self_attention_encoder.py

@@ -117,7 +117,7 @@

class SelfAttentionEncoder(AbsEncoder):
    """
    author: Speech Lab, Alibaba Group, China
    Author: Speech Lab of DAMO Academy, Alibaba Group
    Self attention encoder in OpenNMT framework
    """