Snippets for linux 7.1.8 from Nix x86_64-linux

Sourced from https://hydra.nixos.org/log/2a19k8icf2hzkrd7c268abspd5qpjyvk-tmon-7.1.8.drv.

• tmon.c:233:25: warning: '__builtin_strncpy' specified bound 20 equals destination size [-Wstringop-truncation]
    233 |                         strncpy(ctrl_cdev, optarg, CDEV_NAME_SIZE);
        |                         ^