add c# assembly for fsmn vad (#650)

manyeyes

2023-06-21 c2a2575f198b1bfd452ea5769bec81bcce3d3a42

 funasr/runtime/onnxruntime/bin/funasr-onnx-offline-rtf.cpp

@@ -65,7 +65,7 @@
            n_total_length += snippet_time;
            FunASRFreeResult(result);
        }else{
            LOG(ERROR) << ("No return data!\n");
            LOG(ERROR) << wav_ids[i] << (": No return data!\n");
        }
    }
    {