filebuffer is treated like a string, so it should be zero-terminated like a string. Change-Id: I078aa39906394be64023424731fe0c7ae2019899 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Found-by: Coverity Scan #1323473 Reviewed-on: https://review.coreboot.org/17878 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>