Turn off some warnings

src/Socket.c

@@ -98,7 +98,7 @@ int Socket_error(char* aString, int sock)
 	if (errno != EINTR && errno != EAGAIN && errno != EINPROGRESS && errno != EWOULDBLOCK)
 	{
 		if (strcmp(aString, "shutdown") != 0 || (errno != ENOTCONN && errno != ECONNRESET))
-			Log(LOG_ERROR, -1, "Socket error %s in %s for socket %d", strerror(errno), aString, sock);
+			Log(TRACE_MINIMUM, -1, "Socket error %s in %s for socket %d", strerror(errno), aString, sock);
 	}
 	FUNC_EXIT_RC(errno);
 	return errno;

test/test4.c

@@ -1180,7 +1180,6 @@ int test7_messageArrived(void* context, char* topicName, int topicLen, MQTTAsync
 {
 	MQTTAsync c = (MQTTAsync)context;
 	static int message_count = 0;
-	int rc;
 
 	MyLog(LOGA_DEBUG, "Test7: received message id %d", message->msgid);