Made sure root filesystem is 1kB-block-size, which is necessary to make it

bootable with the current boot loader (and to make it a ramdisk, with the
current ramdisk copying implementation in the FS)

commands/scripts/setup.sh

@@ -311,7 +311,7 @@ echo "
 Copying $fdroot to /dev/$root
 "
 
-mkfs /dev/$root || exit
+mkfs -B 1024 /dev/$root || exit
 mount /dev/$root /mnt || exit
 if [ $thisroot = /dev/ram ]
 then