HADOOP-7777 changes.txt

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1206520 13f79535-47bb-0310-9956-ffa450edef68

hadoop-common-project/hadoop-common/CHANGES.txt

@@ -6,6 +6,9 @@ Trunk (unreleased changes)
 
   NEW FEATURES
 
+    HADOOP-7777 Implement a base class for DNSToSwitchMapping implementations 
+    that can offer extra topology information. (stevel)
+
   IMPROVEMENTS
 
     HADOOP-7595. Upgrade dependency to Avro 1.5.3. (Alejandro Abdelnur via atm)