Vox populi says "cdio:" prefix is useful so switch back to using
authorkrw <krw@openbsd.org>
Tue, 11 Oct 2022 16:32:40 +0000 (16:32 +0000)
committerkrw <krw@openbsd.org>
Tue, 11 Oct 2022 16:32:40 +0000 (16:32 +0000)
commit0a3fb11d8f988dff9bc7c6d306eb14f8a6d4e6d0
treed5674b65e0aa9e66c5dd183e173d8201757140dc
parent49f1cedec1baee518af868485e6367f5118073da
Vox populi says "cdio:" prefix is useful so switch back to using
warnx(), but with required "\n" manually output to stderr before
calling warnx().

Requested by tb@ and OP Michael Siegel.
usr.bin/cdio/rip.c