Function CleanupFileLogging

RedEdrPplService/logging.cpp:120–127

void CleanupFileLogging() {
    std::lock_guard<std::mutex> lock(g_logMutex);
    if (g_logFile != INVALID_HANDLE_VALUE) {
        CloseHandle(g_logFile);
        g_logFile = INVALID_HANDLE_VALUE;
    }
    g_logInitialized = false;
}