Fix Python warnings.

prrt/proto/processes/dataReceiver.c

@@ -203,7 +203,7 @@ static void handle_redundancy_packet(PrrtSocket *socket, PrrtPacket *packet) {
     return;
 }
 
-void handle_feedback_packet(const PrrtSocket *prrtSocket, const PrrtPacket *prrtPacket, prrtTimestamp_t receiveTime) {
+void handle_feedback_packet(PrrtSocket *prrtSocket, PrrtPacket *prrtPacket, prrtTimestamp_t receiveTime) {
     check(prrtPacket != NULL, "Cannot be null");
     debug(DEBUG_DATARECEIVER, "handle_feedback_packet");
     PrrtPacketFeedbackPayload *feedbackPayload = (PrrtPacketFeedbackPayload *) prrtPacket->payload;
@@ -213,7 +213,7 @@ void handle_feedback_packet(const PrrtSocket *prrtSocket, const PrrtPacket *prrt
     debug(DEBUG_DATARECEIVER, "PrrtReceiver_updateAndGenerateRateSample ");
 
     if(valid_sample) {
-        PrrtChannelStateInformation_update_delivery_rate(prrtSocket->receiver->csi, prrtPacket, prrtSocket->receiver->rateSample);
+        PrrtChannelStateInformation_update_delivery_rate(prrtSocket->receiver->csi, prrtPacket, prrtSocket->receiver->rateSample->delivery_rate);
     }
     PrrtChannelStateInformation_update_app_limited(prrtSocket->receiver->csi, prrtSocket->receiver->rateSample->is_app_limited);
     debug(DEBUG_DATARECEIVER, "PrrtChannelStateInformation_update_app_limited ");