Previously parseopts checked if there was an argument by checking
that the string was non-empty, resulting in empty arguments being
incorrectly considered non-existent. This change makes parseopts check
if arguments exist at all, rather than checking that they are non-empty
Signed-off-by: Ethan Sommer <e5ten.arch@gmail.com>
Signed-off-by: Allan McRae <allan@archlinux.org>