fix with defers on failure with tor

cmd/coronafana/coronafana.go

@@ -45,12 +45,13 @@ func main() {
 	}
 
 	tr, dialer, dialerctx, err := network.InitTorSession()
+	defer dialerctx()
+	defer tr.Close()
+
 	if err != nil {
 		log.Println(err)
 		return
 	}
-	defer dialerctx()
-	defer tr.Close()
 
 	cr, err = coronafana.GetData(cfg, dialer)
 	if err != nil {