Added field type to field that returns list of jids.

git-svn-id: http://svn.igniterealtime.org/svn/repos/wildfire/trunk@3777 b35dd754-fafc-0310-a699-88a17e54d16e

src/java/org/jivesoftware/wildfire/commands/admin/GetListActiveUsers.java

@@ -75,6 +75,7 @@ public class GetListActiveUsers extends AdHocCommand {
         field.addValue("http://jabber.org/protocol/admin");
 
         field = form.addField();
+        field.setType(FormField.Type.jid_single);
         field.setLabel("The list of active users");
         field.setVariable("activeuserjids");