append final

Change-Id: I3ba98a0a0aedf1e9fda8e3592ec72362032509cc
diff --git a/src/com/android/contacts/activities/DialtactsActivity.java b/src/com/android/contacts/activities/DialtactsActivity.java
index 66d2108..5dbe87b 100644
--- a/src/com/android/contacts/activities/DialtactsActivity.java
+++ b/src/com/android/contacts/activities/DialtactsActivity.java
@@ -172,7 +172,7 @@
     private CallLogFragment mCallLogFragment;
     private StrequentContactListFragment mStrequentFragment;
 
-    private TabListener mTabListener = new TabListener() {
+    private final TabListener mTabListener = new TabListener() {
         @Override
         public void onTabUnselected(Tab tab, FragmentTransaction ft) {
         }