OF-57: Typo with pubsub

git-svn-id: http://svn.igniterealtime.org/svn/repos/openfire/trunk@11229 b35dd754-fafc-0310-a699-88a17e54d16e

src/java/org/jivesoftware/openfire/pubsub/Node.java

@@ -767,7 +767,7 @@ public abstract class Node {
         formField.addValue(getNodeID());
 
         formField = form.addField();
-        formField.setVariable("pusub#subscriber_jid");
+        formField.setVariable("pubsub#subscriber_jid");
         formField.setType(FormField.Type.jid_single);
         formField.setLabel(LocaleUtils.getLocalizedString("pubsub.form.authorization.subscriber"));
         formField.addValue(subscription.getJID().toString());