fix build problem

@@ -137,7 +137,7 @@ func GetInitListner(tcpaddr *net.TCPAddr) (l net.Listener, err error) {
 	countStr := os.Getenv(FDKey)
 	if countStr == "" {
 		return net.ListenTCP("tcp", tcpaddr)
-	} else {
+	}
 	count, err := strconv.Atoi(countStr)
 	if err != nil {
 		return nil, err
@@ -148,5 +148,4 @@ func GetInitListner(tcpaddr *net.TCPAddr) (l net.Listener, err error) {
 		return nil, err
 	}
 	return l, nil
-	}
 }