sdiff: improve errx string
authoremaste <emaste@FreeBSD.org>
Thu, 15 Sep 2016 02:48:56 +0000 (02:48 +0000)
committeremaste <emaste@FreeBSD.org>
Thu, 15 Sep 2016 02:48:56 +0000 (02:48 +0000)
commita1a3735a5123a8bd8e95b5c9870cef51e496e493
tree7b09bb8876c45a2c6c97f4a4698002d3f29996af
parent6731fa768a6b9a150ce483b9bfddee7fccb0bf80
sdiff: improve errx string

errx() appends a newline so \n is superfluous. Also switch to lower case
with no period for consistency with other errx strings.
usr.bin/sdiff/sdiff.c