fix onnx export bug

hnluo

2023-08-29 72b6c7735e44fff12c4a3d401deb98c59f16ab0f

 funasr/runtime/websocket/funasr-wss-client-2pass.cpp

@@ -36,9 +36,9 @@
 */
void WaitABit() {
#ifdef WIN32
  Sleep(300);
  Sleep(500);
#else
  usleep(300);
  usleep(500);
#endif
}
std::atomic<int> wav_index(0);