OF-490 fixed NPE in GoJara DiscoPackageInterceptorHandler

git-svn-id: http://svn.igniterealtime.org/svn/repos/openfire/trunk@12995 b35dd754-fafc-0310-a699-88a17e54d16e

src/plugins/gojara/plugin.xml

@@ -7,7 +7,7 @@
     <name>GoJara</name>
     <description>ProtoXEP-xxxx: Remote Roster Management support</description>
     <author>Holger Bergunde and Daniel Henninger</author>
-    <version>1.1.0 Alpha</version>
+    <version>1.1.1 Alpha</version>
     <date>01/06/2012</date>
 	<databaseKey>gojara</databaseKey>
     <databaseVersion>0</databaseVersion>

src/plugins/gojara/src/java/org/jivesoftware/openfire/plugin/gojara/messagefilter/interceptors/DiscoPackageInterceptorHandler.java

@@ -43,6 +43,9 @@ public class DiscoPackageInterceptorHandler implements PacketInterceptor {
 			if (packet instanceof IQ) {
 				IQ iqpacket = (IQ) packet;
 				Element root = iqpacket.getChildElement();
+				if (root == null)
+					return; 
+				
 				String ns = root.getNamespaceURI();
 				if (ns.equals("http://jabber.org/protocol/disco#items") && iqpacket.getType().equals(IQ.Type.result)) {
 					if (!_permissions.allowedForUser(_subDomain, iqpacket.getTo())) {