* ext/socket/ancdata.c (ancillary_inspect): Don't call
  anc_inspect_ipv6_pktinfo if !HAVE_TYPE_STRUCT_IN6_PKTINFO.
  anc_inspect_ipv6_pktinfo is not defined in the case.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40598 b2dd03c8-39d4-4d8f-98ff-823fe69b080e