2.2.19-pre3-ac3 compile failure

[Horst von Brand]

gcc -D__KERNEL__ -I/usr/src/linux-2.4/include -Wall -Wstrict-prototypes -Wno-trigraphs -O2 -fomit-frame-pointer -fno-strict-aliasing -fno-common -pipe -mpreferred-stack-boundary=2 -march=i686 -DMODULE  -DKBUILD_BASENAME=pppoe  -c -o pppoe.o pppoe.c
pppoe.c: In function `pppoe_flush_dev':
pppoe.c:282: `PPPOX_ZOMBIE' undeclared (first use in this function)
pppoe.c:282: (Each undeclared identifier is reported only once
pppoe.c:282: for each function it appears in.)
pppoe.c: In function `pppoe_disc_rcv':
pppoe.c:446: `PPPOX_ZOMBIE' undeclared (first use in this function)
pppoe.c: In function `pppoe_ioctl':
pppoe.c:730: `PPPOX_ZOMBIE' undeclared (first use in this function)
make[2]: *** [pppoe.o] Error 1