Fix a brain-damanged bug spotted by Jared. The following test passes:
Fix a brain-damanged bug spotted by Jared. The following test passes:

~yanovich/code/advsys/pc/sft/sft -w -s 100g -b 128k -t 8 -B /zzh-slash2/tmp/r004

pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable