fix: resolve IndexError when using spk model and the audio contains only 1 ...

Atomie CHEN

2024-03-25 ff83116369ba6afe56430cb0b9d977fbe7f4bced

 runtime/websocket/bin/funasr-wss-client.cpp

@@ -193,10 +193,7 @@
      funasr::Audio audio(1);
        int32_t sampling_rate = audio_fs;
        std::string wav_format = "pcm";
        if (funasr::IsTargetFile(wav_path.c_str(), "wav")) {
            if (!audio.LoadWav(wav_path.c_str(), &sampling_rate, false)) 
                return;
        } else if(funasr::IsTargetFile(wav_path.c_str(), "pcm")){
        if(funasr::IsTargetFile(wav_path.c_str(), "pcm")){
         if (!audio.LoadPcmwav(wav_path.c_str(), &sampling_rate, false))
            return ;
      }else{