modified code to resolve some errors

Author: sravanigadey

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

@@ -94,7 +94,7 @@ public String getName() {
    * @param args argument list
    * @param out  output stream
    * @throws Exception on any failure.
-   * @returnSUCCESS i.e, '0', which is an exit code
+   * @return SUCCESS i.e, '0', which is an exit code
    */
   @Override
   public int run(String[] args, PrintStream out)

hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/audit/S3AAuditLogMergerAndParser.java

@@ -468,6 +468,7 @@ private void convertToAvroFile(
    * @param s3AFileSystem filesystem
    * @param s3LogsPath    source path of logs
    * @param s3DestPath    destination path of merged log file
+   * @return true
    * @throws IOException on any failure
    */
   public boolean mergeAndParseAuditLogFiles(S3AFileSystem s3AFileSystem,