Doesn't filter iq results that needs to be delivered to local muc users.

src/java/org/jivesoftware/openfire/muc/spi/LocalMUCUser.java

@@ -368,8 +368,8 @@ public class LocalMUCUser implements MUCUser {
     }
 
     public void process(IQ packet) {
-        // Ignore IQs of type ERROR or RESULT sent to a room
-        if (IQ.Type.error == packet.getType() || IQ.Type.result == packet.getType()) {
+        // Ignore IQs of type ERROR sent to a room
+        if (IQ.Type.error == packet.getType()) {
             return;
         }
         lastPacketTime = System.currentTimeMillis();