Log Message:
Updating sysutils/p5-Sys-Utmp from 1.6 to 1.6nb1 to remark some fixes:

- Fix Utmp.xs to compile on NetBSD (fixes PR pkg/42082)
- Apply patch from RT#52369 (FreeBSD 7.2: compilation error and host support)
  see https://rt.cpan.org/Ticket/Display.html?id=52369