Do not forward RTCP RRs to the FMJ instance used for recording.

src/org/jitsi/impl/neomedia/recording/RecorderRtpImpl.java

@@ -1632,6 +1632,13 @@ public RawPacket reverseTransform(RawPacket pkt)
                         if (receiveStream != null)
                             removeReceiveStream(receiveStream, false);
                     }
+                    else if (pkt != null && pkt.getRTCPPacketType() == 201)
+                    {
+                        // Do not pass Receiver Reports to FMJ, because it does
+                        // not need them (it isn't sending) and because they
+                        // causes weird problems.
+                        return null;
+                    }
 
                     return pkt;
                 }