problems compiling linux-2.4.21-rc1-ac2

[MrIch]

...
make[2]: Leaving directory `/usr/src/linux-2.4.21-rc1-ac2/arch/i386/lib'
make[1]: Leaving directory `/usr/src/linux-2.4.21-rc1-ac2/arch/i386/lib'
ld -m elf_i386 -T /usr/src/linux-2.4.21-rc1-ac2/arch/i386/vmlinux.lds -e stext arch/i386/kernel/head.o arch/i386/kernel/init_task.o init/main.o init/version.o init/do_mounts.o \
--start-group \
arch/i386/kernel/kernel.o arch/i386/mm/mm.o kernel/kernel.o mm/mm.o fs/fs.o ipc/ipc.o \
drivers/acpi/acpi.o drivers/char/char.o drivers/block/block.o drivers/misc/misc.o drivers/net/net.o drivers/char/drm/drm.o drivers/ide/idedriver.o drivers/scsi/scsidrv.o drivers/cdrom/driver.o drivers/sound/sounddrivers.o drivers/pci/driver.o drivers/pnp/pnp.o drivers/video/video.o drivers/usb/usbdrv.o drivers/media/media.o drivers/input/inputdrv.o \
net/network.o \
/usr/src/linux-2.4.21-rc1-ac2/arch/i386/lib/lib.a /usr/src/linux-2.4.21-rc1-ac2/lib/lib.a /usr/src/linux-2.4.21-rc1-ac2/arch/i386/lib/lib.a \
--end-group \
-o vmlinux
fs/fs.o(.text+0x1b509): In function `do_quotactl':
: undefined reference to `sync_dquots_dev'
make: *** [vmlinux] Fehler 1

How can I fix it?