Findbugs and PMD work

Change-Id: I0084f219084152fb705d76bf9d347effd9f78664
diff --git a/src/main/java/net/onrc/onos/apps/bgproute/Prefix.java b/src/main/java/net/onrc/onos/apps/bgproute/Prefix.java
index 9ba046c..0d297bf 100644
--- a/src/main/java/net/onrc/onos/apps/bgproute/Prefix.java
+++ b/src/main/java/net/onrc/onos/apps/bgproute/Prefix.java
@@ -89,7 +89,7 @@
     }
 
     public byte[] getAddress() {
-        return address;
+        return Arrays.copyOf(address, address.length);
     }
 
     @Override