Minor javadoc change

git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/io/trunk@488667 13f79535-47bb-0310-9956-ffa450edef68

Author: Niall Pemberton

src/java/org/apache/commons/io/FileCleaner.java

@@ -184,6 +184,7 @@ public static synchronized void exitWhenFinished() {
      * The reaper thread.
      */
     static final class Reaper extends Thread {
+        /** Construct a new Reaper */
         Reaper() {
             super("File Reaper");
             setPriority(Thread.MAX_PRIORITY);