Add since tag

git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/io/trunk@490992 13f79535-47bb-0310-9956-ffa450edef68

Author: Stephen Colebourne

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

@@ -122,6 +122,7 @@ public FileUtils() {
      * @param file  the file to create, not null
      * @throws IOException if the file object is a directory
      * @throws IOException if a parent directory needs creating but that fails
+     * @since Commons IO 1.3
      */
     public static FileOutputStream openOutputStream(File file) throws IOException {
         if (file.exists()) {