broker/BytesMetrics: code formatter used

broker/src/main/java/io/moquette/server/netty/metrics/BytesMetrics.java

@@ -13,9 +13,11 @@
  *
  * You may elect to redistribute this code under either of these licenses.
  */
+
 package io.moquette.server.netty.metrics;
 
 public class BytesMetrics {
+
     private long m_readBytes = 0;
     private long m_wroteBytes = 0;
 
@@ -34,4 +36,4 @@ public class BytesMetrics {
     public long wroteBytes() {
         return m_wroteBytes;
     }
-}
+}