Change in coreboot[master]: SMBIOS: Correct length calculation for empty string table

[build bot (Jenkins) (Code Review)]

build bot (Jenkins) has posted comments on this change. ( https://review.coreboot.org/20840 )

Change subject: SMBIOS: Correct length calculation for empty string table
......................................................................

Patch Set 1: Verified+1

Build Successful

https://qa.coreboot.org/job/coreboot-gerrit/58102/ : SUCCESS

https://qa.coreboot.org/job/coreboot-checkpatch/13532/ : SUCCESS