rc-logger: refuse to cat TMPLOG into itself
rc-logger: refuse to cat TMPLOG into itself

This prevents an infinite loop in case somebody decides to set
rc_log_path to match TMPLOG.

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