don't call sfsconst_init so we can run dbm on planetlab where there is no SFS user
don't call sfsconst_init so we can run dbm on planetlab where there is no SFS user

weidezhang/dht,sit/dht,weidezhang/dht,sit/dht,weidezhang/dht,sit/dht,weidezhang/dht,sit/dht,weidezhang/dht,sit/dht