fix kqueue platform check
fix kqueue platform check

mconstantin/watchdog,ymero/watchdog,mconstantin/watchdog,gorakhargosh/watchdog,javrasya/watchdog,teleyinex/watchdog,glorizen/watchdog,javrasya/watchdog,glorizen/watchdog,mconstantin/watchdog,gorakhargosh/watchdog,ymero/watchdog,teleyinex/watchdog,javrasya/watchdog,teleyinex/watchdog,glorizen/watchdog,ymero/watchdog