Error when add kmod-ipv6 in menuconf

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What steps will reproduce the problem?
1. in menuconfig add Kernel Modules->Network Support->kmod-ipv6
2. $ make V=99

Output:
  CC [M]  net/ipv6/sit.o
  CC [M]  net/ipv6/netfilter/ip6_tables.o
  CC [M]  net/ipv6/netfilter/ip6t_IMQ.o
net/ipv6/netfilter/ip6t_IMQ.c:55: warning: initialization from incompatible 
pointer type
net/ipv6/netfilter/ip6t_IMQ.c: In function 'init':
net/ipv6/netfilter/ip6t_IMQ.c:61: error: implicit declaration of function 
'ip6t_register_target'
net/ipv6/netfilter/ip6t_IMQ.c: In function 'fini':
net/ipv6/netfilter/ip6t_IMQ.c:69: error: implicit declaration of function 
'ip6t_unregister_target'
make[8]: *** [net/ipv6/netfilter/ip6t_IMQ.o] Error 1
make[7]: *** [net/ipv6/netfilter] Error 2
make[6]: *** [net/ipv6] Error 2
make[5]: *** [net] Error 2

Original issue reported on code.google.com by Ing.Tita...@gmail.com on 28 Oct 2013 at 8:53