devfs: optionally add missing symbolic links
devfs: optionally add missing symbolic links

If symbolic links for /dev/{fd,stdin,stdout,stderr,core} do not exist
once /dev is mounted, we should create them.

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