object.c, parse.y, range.c, re.c, string.c, struct.c, util.c,
  ext/socket/socket.c: merge from 1.7: treat long values as long
  instead of int.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_6@3003 b2dd03c8-39d4-4d8f-98ff-823fe69b080e