fix the output of vad_results is null

凌匀

2023-03-13 85566dbb2a4d8d09f80a2460ae8c3e0a9d908cf4

 funasr/runtime/onnxruntime/src/Audio.cpp

@@ -116,6 +116,12 @@
           speech_len);
}

float Audio::get_time_len()
{
    return (float)speech_len / 16000;
       //speech_len);
}

bool Audio::loadwav(const char *filename)
{