HADOOP-12193. Rename Touchz.java to Touch.java.

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

@@ -684,6 +684,8 @@ Release 2.8.0 - UNRELEASED
     HADOOP-11974. Fix FIONREAD #include on Solaris (Alan Burlison via Colin P.
     McCabe)
 
+    HADOOP-12193. Rename Touchz.java to Touch.java. (wang)
+
   OPTIMIZATIONS
 
     HADOOP-11785. Reduce the number of listStatus operation in distcp

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/shell/Touchz.java → hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/shell/Touch.java

@@ -28,7 +28,7 @@ import org.apache.hadoop.fs.PathIsDirectoryException;
 import org.apache.hadoop.fs.PathNotFoundException;
 
 /**
- * Unix touch like commands 
+ * Unix touch like commands
  */
 @InterfaceAudience.Private
 @InterfaceStability.Unstable