getconf: include a newline in error messages
getconf: include a newline in error messages

The normal error() func implicitly appends a newline, so make sure we do
the same.  Otherwise getconf outputs an error message like so:
prompt$ getconf -h
Unrecognized variable `-h'prompt$

Signed-off-by: Mike Frysinger <8f3f75c74bd5184edcfa6534cab3c13a00a2f794@gentoo.org>

joel-porquet/tsar-uclibc,joel-porquet/tsar-uclibc,joel-porquet/tsar-uclibc,joel-porquet/tsar-uclibc