Fixed focus javascript error.

git-svn-id: http://svn.igniterealtime.org/svn/repos/openfire/trunk@9896 b35dd754-fafc-0310-a699-88a17e54d16e

src/web/group-edit.jsp

@@ -584,7 +584,7 @@
         </form>
 
     <script type="text/javascript">
-        document.f.users.focus();
+        document.f.username.focus();
     </script>
 
 	</div>