[ruby-cvs:79048] bba4916122 (master): Fix example of node.type [ci skip]

Kazuhiro NISHIYAMA	2020-01-03 00:02:28 +0900 (Fri, 03 Jan 2020)

  New Revision: bba4916122

  https://github.com/ruby/ruby/commit/bba4916122

  Log:
    Fix example of node.type [ci skip]
    =

    ```
    % docker run -it --rm rubylang/all-ruby env ALL_RUBY_SINCE=3Druby-2.6=
 ./all-ruby -e 'root =3D RubyVM::AbstractSyntaxTree.parse("x =3D 1 + 2")
    p [root, root.type]
    call =3D root.children[2]
    p [call, call.type]
    '
    ruby-2.6.0          [#<RubyVM::AbstractSyntaxTree::Node:SCOPE@1:0-1:9=
>, :SCOPE]
                        [#<RubyVM::AbstractSyntaxTree::Node:LASGN@1:0-1:9=
>, :LASGN]
    ...
    ruby-2.7.0          [#<RubyVM::AbstractSyntaxTree::Node:SCOPE@1:0-1:9=
>, :SCOPE]
                        [#<RubyVM::AbstractSyntaxTree::Node:LASGN@1:0-1:9=
>, :LASGN]
    ```

  Modified files:
    ast.rb=