Fix possibly uninitialized warning in feedbackReceiver.

src/prrt/processes/feedbackReceiver.c

@@ -13,6 +13,7 @@
 void handle_feedback(PrrtSocket *prrtSocket, const size_t length)
 {
     char bufin[MAX_PAYLOAD_LENGTH];
+    PrrtPacket *prrtPacket = NULL;
     ssize_t n;
     struct sockaddr_in remote;
     socklen_t addrlen = sizeof(remote);
@@ -32,15 +33,10 @@ void handle_feedback(PrrtSocket *prrtSocket, const size_t length)
     n = recvfrom(prrtSocket->feedbackSocketFd, bufin, length, 0, (struct sockaddr *) &remote, &addrlen);
     check(n >= 0, "Receiving feedback failed.");
 
-    PrrtPacket *prrtPacket = calloc(1, sizeof(PrrtPacket));
+    prrtPacket = calloc(1, sizeof(PrrtPacket));
     check_mem(prrtPacket);
     PrrtPacket_decode(bufin, (uint16_t) n, prrtPacket);
 
-    //PrrtPacketFeedbackPayload* payload = prrtPacket->payload;
-    //struct in_addr a;
-    //a.s_addr = payload->receiverAddress;
-    //debug("Receiver Address: %s", inet_ntoa(a));
-
     prrtTimestamp_t forwardTripTimestamp = ((PrrtPacketFeedbackPayload *) prrtPacket->payload)->forwardTripTimestamp_us;
 
     PrrtChannelStateInformation_update_rtt(prrtSocket->csi, (prrtTimedelta_t) (receiveTime - forwardTripTimestamp));
@@ -66,6 +62,6 @@ void *receive_feedback_loop(void *ptr)
     return NULL;
 
     error:
-    PERROR("Feedback reception failed.");
+    PERROR("Feedback reception failed.%s","");
     return NULL;
 }
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