emaste 85811dc7a7 makefs: improve error messages
- remove \n
- use __func__
- err adds the error string itself

NetBSD revs:
cd9660.c	1.48 1.49
ffs/buf.c	1.21
ffs/mkfs.c	1.27

Obtained from:	NetBSD
2017-03-15 18:14:54 +00:00
..
2017-03-15 18:14:54 +00:00
2017-03-15 18:14:54 +00:00