Rename runscript to openrc-run

This was requested by Debian, because the minicom software, which is
available on Debian and other distros, has a binary named runscript. We
are keeping a backward compatibility symlink for now, but this allows
Debian or any other distro to safely remove the symlink.

X-Gentoo-Bug: 494220
X-Gentoo-Bug-URL: https://bugs.gentoo.org/show_bug.cgi?id=494220

init.d/swclock.in

@@ -1,4 +1,4 @@
-#!@SBINDIR@/runscript
+#!@SBINDIR@/openrc-run
 # Copyright (c) 2009 Roy Marples <roy@marples.name>
 # Released under the 2-clause BSD license.
 
@@ -17,7 +17,7 @@ start()
 {
 	ebegin "Setting the local clock based on last shutdown time"
 	if ! swclock 2> /dev/null; then
-	swclock --warn @SBINDIR@/runscript
+	swclock --warn @SBINDIR@/openrc-run
 	fi
 	eend $?
 }