HADOOP-4587. Fix a typo in Mapper javadoc. (Koji Noguchi via szetszwo)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/core/trunk@711482 13f79535-47bb-0310-9956-ffa450edef68

CHANGES.txt

@@ -84,6 +84,8 @@ Trunk (unreleased changes)
     should handle them and keep transferring the remaining blocks.  (Suresh
     Srinivas via szetszwo)
 
+    HADOOP-4587. Fix a typo in Mapper javadoc.  (Koji Noguchi via szetszwo)
+
 Release 0.19.0 - Unreleased
 
   INCOMPATIBLE CHANGES

src/mapred/org/apache/hadoop/mapred/Mapper.java

@@ -82,7 +82,7 @@ import org.apache.hadoop.io.compress.CompressionCodec;
  *       
  *       public void configure(JobConf job) {
  *         mapTaskId = job.get("mapred.task.id");
- *         inputFile = job.get("mapred.input.file");
+ *         inputFile = job.get("map.input.file");
  *       }
  *       
  *       public void map(K key, V val,