keep blank for english asr result (#623)

zhaomingwork

2023-06-13 4a33f08defa92ac6c9c757dbde06d29d183bf203

 funasr/runtime/onnxruntime/src/vad-model.cpp

@@ -21,4 +21,11 @@
    return mm;
}

VadModel *CreateVadModel(void* fsmnvad_handle)
{
    VadModel *mm;
    mm = new FsmnVadOnline((FsmnVad*)fsmnvad_handle);
    return mm;
}

} // namespace funasr