Function zeros

tools/export-lora/export-lora.cpp:32–37

}

static void zeros(std::ofstream & file, size_t n) {
    char zero = 0;
    for (size_t i = 0; i < n; ++i) {
        file.write(&zero, 1);
    }
}

static std::string ggml_ne_string(const ggml_tensor * t) {
    std::string str;