fix the conditional since i cant get a repro locally working

stats.go

@@ -19,7 +19,7 @@ func loadStatsd(conf configuration) (*statsd.Client, error) {
 }
 
 func (a *autographer) addStats(conf configuration) (err error) {
-	if conf.Statsd.Addr != "" {
+	if conf.Statsd.Addr == "" {
 		// a.stats is set to a safe value in newAutographer, so we leave it
 		// alone and return.
 		log.Infof("Statsd disabled as no `statsd.addr` address was provided in config")