HADOOP-920 - Revert accidental change.

git-svn-id: https://svn.apache.org/repos/asf/lucene/hadoop/trunk@499156 13f79535-47bb-0310-9956-ffa450edef68

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

@@ -43,8 +43,8 @@ public class MapFileOutputFormat extends OutputFormatBase {
     // ignore the progress parameter, since MapFile is local
     final MapFile.Writer out =
       new MapFile.Writer(job, file.getFileSystem(job), file.toString(),
-                         job.getMapOutputKeyClass(),
-                         job.getMapOutputValueClass(),
+                         job.getOutputKeyClass(),
+                         job.getOutputValueClass(),
                          SequenceFile.getCompressionType(job),
                          progress);