Refactor: restrict package access level, replace for with foreach

Change-Id: I6197d62076b4530fbbbfdf3c1b9956c3861cc22d
diff --git a/protocols/lisp/msg/src/main/java/org/onosproject/lisp/msg/protocols/DefaultLispMapReferral.java b/protocols/lisp/msg/src/main/java/org/onosproject/lisp/msg/protocols/DefaultLispMapReferral.java
index 2b2acdb..4d14a72 100644
--- a/protocols/lisp/msg/src/main/java/org/onosproject/lisp/msg/protocols/DefaultLispMapReferral.java
+++ b/protocols/lisp/msg/src/main/java/org/onosproject/lisp/msg/protocols/DefaultLispMapReferral.java
@@ -220,8 +220,8 @@
             ReferralRecordWriter writer = new ReferralRecordWriter();
             List<LispReferralRecord> records = message.getReferralRecords();
 
-            for (int i = 0; i < records.size(); i++) {
-                writer.writeTo(byteBuf, records.get(i));
+            for (LispReferralRecord record : records) {
+                writer.writeTo(byteBuf, record);
             }
         }
     }