Cluster: removed not needed newline at end of redisLog() msg.

src/cluster.c

@@ -1207,7 +1207,7 @@ int clusterProcessPacket(clusterLink *link) {
                     {
                         redisLog(REDIS_WARNING,
                             "Node %.40s has old slots configuration, sending "
-                            "an UPDATE message about %.40s\n",
+                            "an UPDATE message about %.40s",
                                 sender->name, server.cluster->slots[j]->name);
                         clusterSendUpdate(sender->link,server.cluster->slots[j]);