memory_bsd: Fix a problem fetching the user wire count on FreeBSD#2584

SuperQ merged 1 commit intoprometheus:masterprometheus/node_exporter:masterfrom

phyber:20230126-fix_freebsd_meminfo_user_wired_countphyber/node_exporter:20230126-fix_freebsd_meminfo_user_wired_countCopy head branch name to clipboard