hide error when migrating /var/run to /run
hide error when migrating /var/run to /run

The script tries to copy non-existing files. We simply hide the error

http://bugs.alpinelinux.org/issues/3160
This fixes #451.

williamh/openrc,OpenRC/openrc,OpenRC/openrc,OpenRC/openrc,williamh/openrc,williamh/openrc