Snippets for arp-scan 1.10.0 from FreeBSD 150arm64

Sourced from https://pkg-status.freebsd.org/ampere5/data/latest-per-pkg/arp-scan/1.10.0/150arm64-default.log.

• arp-scan.c:1722:13: warning: variable 'iterations' set but not used [-Wunused-but-set-variable]
   1722 |    unsigned iterations = 0; /* Used for debugging */
        |             ^