- make some needlessly global code static
- remove the following unused functions:
  - exthdrs.c: ipv6_build_rthdr
  - exthdrs.c: ipv6_build_exthdr
  - exthdrs.c: ipv6_build_nfrag_opts
  - exthdrs.c: ipv6_build_frag_opts
- remove the following write-only global variables:
  - addrconf.c: inet6_dev_count
  - addrconf.c: inet6_ifa_count
- #if 0 the following unused global variable:
  - addrconf.c: in6addr_any
- remove the following unneeded EXPORT_SYMBOL's:
  - ipv6_syms.c: in6addr_any
  - ipv6_syms.c: in6addr_loopback
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: David S. Miller <davem@davemloft.net>