when creating not connected clients do not add them into the clients list,...

when creating not connected clients do not add them into the clients list, otherwise they will be subject to timeouts and other stuff

src/networking.c

@@ -57,7 +57,7 @@ redisClient *createClient(int fd) {
     c->pubsub_patterns = listCreate();
     listSetFreeMethod(c->pubsub_patterns,decrRefCount);
     listSetMatchMethod(c->pubsub_patterns,listMatchObjects);
-    listAddNodeTail(server.clients,c);
+    if (fd != -1) listAddNodeTail(server.clients,c);
     initClientMultiState(c);
     return c;
 }