If $RC_SVCDIR/shutdowntime does not exist, we need a default reference
file. It is safe to use @PREFIX@/sbin/runscript for this purpose.
Reported-By: Robin H. Johnson <robbat2@gentoo.org>
X-Gentoo-Bug: 376249
X-Gentoo-Bug-URL: http://bugs.gentoo.org/show_bug.cgi?id=376249
the mtime of a file. It saves the shutdown time to this file also.
This is handy for systems without a working RTC chip.
Based on an idea by Michael A. Smith <michael@smith-li.com>.
Fixes Gentoo #272073.