can't compile zaptel in 7.04

Binary package hint: zaptel-source

Hello!

zaptel from 7.04 repository can't be compiled:

/usr/src/modules/zaptel/ds1x1f.c:1977: warning: passing argument 2 of ‘request_irq’ from incompatible pointer type
  CC [M] /usr/src/modules/zaptel/vzaphfc/vzaphfc_main.o
/usr/src/modules/zaptel/vzaphfc/vzaphfc_main.c:24:26: error: linux/config.h: No such file or directory
/usr/src/modules/zaptel/vzaphfc/vzaphfc_main.c: In function ‘hfc_probe’:
/usr/src/modules/zaptel/vzaphfc/vzaphfc_main.c:1684: warning: passing argument 2 of ‘request_irq’ from incompatible pointer type
make[5]: *** [/usr/src/modules/zaptel/vzaphfc/vzaphfc_main.o] Error 1
make[4]: *** [/usr/src/modules/zaptel/vzaphfc] Error 2
make[3]: *** [_module_/usr/src/modules/zaptel] Error 2
make[3]: Leaving directory `/usr/src/linux-headers-2.6.20-16-lowlatency'
make[2]: *** [linux26] Error 2
make[2]: Leaving directory `/usr/src/modules/zaptel'
make[1]: *** [binary-modules] Error 2
make[1]: Leaving directory `/usr/src/modules/zaptel'
make: *** [kdist_build] Error 2

zaptel-12.18 from astresiks.org comiples without problems..