Use static method as static and not as instance

git-svn-id: http://svn.igniterealtime.org/svn/repos/openfire/trunk@10213 b35dd754-fafc-0310-a699-88a17e54d16e

src/web/login.jsp

@@ -79,7 +79,7 @@
                 if (StringUtils.hash(AdminConsolePlugin.secret).equals(secret) && ClusterManager.isClusterMember(Base64.decode(nodeID, Base64.URL_SAFE))) {
                     authToken = new AuthToken(username);
                 }
-                else if ("clearspace".equals(nodeID) && ClearspaceManager.getInstance().isEnabled()) {
+                else if ("clearspace".equals(nodeID) && ClearspaceManager.isEnabled()) {
                     ClearspaceManager csmanager = ClearspaceManager.getInstance();
                     String sharedSecret = csmanager.getSharedSecret();
                     if (nonce == null || sharedSecret == null || !csmanager.isValidNonce(nonce) ||