redis-cli prompt bug fix

src/redis-cli.c

@@ -794,6 +794,7 @@ static void repl() {
                     sdsfree(config.hostip);
                     config.hostip = sdsnew(argv[1]);
                     config.hostport = atoi(argv[2]);
+                    cliRefreshPrompt();
                     cliConnect(1);
                 } else if (argc == 1 && !strcasecmp(argv[0],"clear")) {
                     linenoiseClearScreen();