Validate a descriptor before passing it to evutils_close()
Validate a descriptor before passing it to evutils_close()

sjinks/qt_eventdispatcher_libev,sjinks/qt_eventdispatcher_libev,sjinks/qt_eventdispatcher_libevent,qnective/qt_eventdispatcher_libevent,qnective/qt_eventdispatcher_libevent,qnective/qt_eventdispatcher_libevent,sjinks/qt_eventdispatcher_libevent,sjinks/qt_eventdispatcher_libev,sjinks/qt_eventdispatcher_libevent