Ignore messages of type ERROR. JM-279

git-svn-id: http://svn.igniterealtime.org/svn/repos/messenger/trunk@1310 b35dd754-fafc-0310-a699-88a17e54d16e

src/java/org/jivesoftware/messenger/muc/spi/MUCUserImpl.java

@@ -139,6 +139,10 @@ public class MUCUserImpl implements MUCUser {
      * @param packet The packet to route.
      */
     public void process(Message packet) {
+        // Ignore messages of type ERROR sent to a room 
+        if (Message.Type.error == packet.getType()) {
+            return;
+        }
         lastPacketTime = System.currentTimeMillis();
         JID recipient = packet.getTo();
         String group = recipient.getNode();