fix bug: msg.c_str

lyblsgo

2023-04-11 dc8a0445d5460af16e9926a492a85da592f224bb

 funasr/runtime/python/grpc/grpc_server.py

@@ -109,7 +109,7 @@
                            else:
                                asr_result = ""
                        elif self.backend == "onnxruntime":
                            from rapid_paraformer.utils.frontend import load_bytes
                            from funasr_onnx.utils.frontend import load_bytes
                            array = load_bytes(tmp_data)
                            asr_result = self.inference_16k_pipeline(array)[0]
                        end_time = int(round(time.time() * 1000))