compile fails on 2.4.17-pre3

[Paul Larson <plars@austin.ibm.com>]

Is everybody seeing this and it's obvious, or do I need to send my
.config?

ld -m elf_i386  -r -o ipv4.o utils.o route.o inetpeer.o proc.o
protocol.o ip_input.o ip_fragment.o ip_forward.o ip_options.o
ip_output.o ip_sockglue.o tcp.o tcp_input.o tcp_output.o tcp_timer.o
tcp_ipv4.o tcp_minisocks.o tcp_diag.o raw.o udp.o arp.o icmp.o devinet.o
af_inet.o igmp.o sysctl_net_ipv4.o fib_frontend.o fib_semantics.o
fib_hash.o
ld: cannot open tcp_diag.o: No such file or directory
make[3]: *** [ipv4.o] Error 1
make[3]: Leaving directory `/usr/src/linux/net/ipv4'
make[2]: *** [first_rule] Error 2
make[2]: Leaving directory `/usr/src/linux/net/ipv4'
make[1]: *** [_subdir_ipv4] Error 2
make[1]: Leaving directory `/usr/src/linux/net'
make: *** [_dir_net] Error 2