fix "can not find model issue when running libtorch runtime" (#2504)

Yu Cao

2025-10-01 c4ac64fd5d24bb3fc8ccc441d36a07c83c8b9015

 runtime/csharp/AliFsmnVad/AliFsmnVadSharp/Model/VadYamlEntity.cs

@@ -22,6 +22,6 @@
        public string encoder { get => _encoder; set => _encoder = value; }
        public FrontendConfEntity frontend_conf { get => _frontend_conf; set => _frontend_conf = value; }
        public EncoderConfEntity encoder_conf { get => _encoder_conf; set => _encoder_conf = value; }
        public VadPostConfEntity vad_post_conf { get => _vad_post_conf; set => _vad_post_conf = value; }
        public VadPostConfEntity model_conf { get => _vad_post_conf; set => _vad_post_conf = value; }
    }
}