Javadoc: Missing tag for return type.

git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/io/trunk@553012 13f79535-47bb-0310-9956-ffa450edef68

Author: garydgregory

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

@@ -145,6 +145,8 @@ public static synchronized void exitWhenFinished() {
      * This is mainly useful for code, which wants to support the new
      * {@link FileCleaningTracker} class while maintain compatibility with the
      * deprecated {@link FileCleaner}.
+     * 
+     * @return the singleton instance
      */
     public static FileCleaningTracker getInstance() {
         return theInstance;