next: arm64: build error: implicit declaration of function '__cookie_v6_init_sequence'

[Naresh Kamboju <naresh.kamboju@xxxxxxxxxx>]

Linux -next build failed on arm64 and arm.

In file included from net/ipv6/af_inet6.c:41:0:
include/linux/netfilter_ipv6.h: In function 'nf_ipv6_cookie_init_sequence':
include/linux/netfilter_ipv6.h:174:9: error: implicit declaration of
function '__cookie_v6_init_sequence'; did you mean
'cookie_init_sequence'? [-Werror=implicit-function-declaration]
  return __cookie_v6_init_sequence(iph, th, mssp);
         ^~~~~~~~~~~~~~~~~~~~~~~~~
         cookie_init_sequence
include/linux/netfilter_ipv6.h: In function 'nf_cookie_v6_check':
include/linux/netfilter_ipv6.h:189:9: error: implicit declaration of
function '__cookie_v6_check'; did you mean '__cookie_v4_check'?
[-Werror=implicit-function-declaration]
  return __cookie_v6_check(iph, th, cookie);
         ^~~~~~~~~~~~~~~~~
         __cookie_v4_check
  CC      net/core/net-traces.o
  CC      drivers/char/tpm/eventlog/acpi.o
  CC      fs/proc/page.o
cc1: some warnings being treated as errors
scripts/Makefile.build:278: recipe for target 'net/ipv6/af_inet6.o' failed
make[3]: *** [net/ipv6/af_inet6.o] Error 1
scripts/Makefile.build:489: recipe for target 'net/ipv6' failed
make[2]: *** [net/ipv6] Error 2

Best regards
Naresh Kamboju