Hi Martin!

Thanks for the patch. Unfortunately, I was not able to
compile a kernel with it:

cc1: warnings being treated as errors
/usr/src/sys/net/if_spppsubr.c: In function `sppp_ipcp_tlu':
/usr/src/sys/net/if_spppsubr.c:3079: warning: passing arg 2 of 
`sppp_get_ip_addrs' from incompatible pointer type
/usr/src/sys/net/if_spppsubr.c:3079: warning: passing arg 3 of 
`sppp_get_ip_addrs' from incompatible pointer type
/usr/src/sys/net/if_spppsubr.c: In function `sppp_set_ip_addrs':
/usr/src/sys/net/if_spppsubr.c:4776: called object is not a function
/usr/src/sys/net/if_spppsubr.c: In function `sppp_clear_ip_addrs':
/usr/src/sys/net/if_spppsubr.c:4796: warning: passing arg 3 of 
`sppp_get_ip_addrs' from incompatible pointer type
*** Error code 1

Regards
    Ingolf