MAPREDUCE-7403. fix accidental edit

Change-Id: Ifbe2d1012cbdf2e7467ce84a7d8d93a78e91dcf6

Author: steveloughran

hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/AWSStatus500Exception.java

@@ -29,7 +29,7 @@
  *    <li>Nothing else got through either.</li>
  * </ol>
  */
-public class jAWSStatus500Exception extends AWSServiceIOException {
+public class AWSStatus500Exception extends AWSServiceIOException {
   public AWSStatus500Exception(String operation,
       AmazonServiceException cause) {
     super(operation, cause);