Addendum for HDFS-7893 in branch-2.

hadoop-hdfs-project/hadoop-hdfs-client/pom.xml

@@ -20,7 +20,7 @@ http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <parent>
     <groupId>org.apache.hadoop</groupId>
     <artifactId>hadoop-project-dist</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>2.8.0-SNAPSHOT</version>
     <relativePath>../../hadoop-project-dist</relativePath>
   </parent>
   <groupId>org.apache.hadoop</groupId>