libpayload: fix printf handling of unsigned long long

1 << 63 is undefined for 32bit numbers.

Change-Id: I22f0e2486b133ea18cfbb8dd79fd4aed91ac0a4c
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Found-by: Coverity Scan
Reviewed-on: http://review.coreboot.org/7972
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <gaumless@gmail.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
1 file changed