Update load_pretrained_model.py

zhifu gao

2024-01-17 e67ed1d45d5a9d7fb7bb22d15fd2bfef17e9076f

 runtime/onnxruntime/src/audio.cpp

@@ -945,6 +945,7 @@
{
    if (speech_char != nullptr) {
        free(speech_char);
        speech_char = nullptr;
    }

    FILE* fp;