202605010029

fix: add fflush(stderr) before fork() in run_command_mode

Agent-Logs-Url: https://github.com/HiGarfield/cpulimit/sessions/9d693008-a58a-4202-9d09-84f30c052d1e

Co-authored-by: HiGarfield <32226909+HiGarfield@users.noreply.github.com>