scsi_command_size became scsi_command_size_tbl

Change-Id: If91922944f90df11d5a09cd09cbb66c16296d366
Reviewed-on: http://gerrit.openafs.org/9964
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Derrick Brashear <shadow@your-file-system.com>