Merged in jonesmz/libqxt/qxtavahipoll2 (pull request #36)

Supresses compiler warning about unused parameters by replacing a member variable usage with the paramater, the runtime behavior should remain the same

src/zeroconf/avahi/qxtavahipoll.cpp

@@ -170,6 +170,7 @@ void AvahiWatch::setEventType(AvahiWatchEvent event)
 
 void AvahiWatch::activated(int fd)
 {
+	Q_UNUSED(fd);
 	_lastEvent = _event;
 	_callback(this, _fd, _event, _userdata);
 	_lastEvent = (AvahiWatchEvent)0;