* file.c, ext/etc/etc.c, ext/socket/unixsocket.c,
  ext/openssl/ossl.h, ext/openssl/openssl_missing.c: Use
  HAVE_AGGREGATE_MEMBER instead of HAVE_ST_MEMBER.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40625 b2dd03c8-39d4-4d8f-98ff-823fe69b080e