Including the terminating null, 17 characters were being written to the
field, overwriting the a byte of the size field.
Fortunately, the size was updated soon after this.
Fixes coverity warning 1229570 - Destination buffer too small.
Change-Id: I39285a9283dd9a17d638afe5b2755c7e420d7698
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/15889
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>