doc improvement

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@6661 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/java/hudson/Util.java

@@ -579,6 +579,7 @@ public class Util {
      *      String like "foo/bar/*.xml" Multiple patterns can be separated
      *      by ',', and whitespace can surround ',' (so that you can write
      *      "abc, def" and "abc,def" to mean the same thing.
+     * @since 1.172
      */
     public static FileSet createFileSet(File baseDir, String includes) {
         FileSet fs = new FileSet();