Update setup_wiringPi shell script

guowenxue

2019-07-30 c6dff0f738ecd7b1d8f7857dbf3b49fb23ee9b29

 mqttd/main.c

@@ -109,17 +109,14 @@
        return -2;
    }

    if( ctx.hwconf.enable  )
    if( hal_init(&ctx.hwconf) < 0 )
    {
        if( hal_init(&ctx.hwconf) < 0 )
            log_err("Initialise hardware failure\n");
        else 
            log_nrml("HAL initialise ok\n");

        return -1;
        log_err("Initialise hardware failure\n");
        return -3;
    }
    else
    else 
    {
        log_nrml("HAL initialise ok\n");
    }

    install_proc_signal();