[ci skip] Fix the indentation

[akihiro17]

• before

class PostsController < ActionController::Base

after_action :print_accessed_fields, only: :index

def index
  @posts = Post.all
end

private

def print_accessed_fields
  p @posts.first.accessed_fields
end

end

• after

class PostsController < ActionController::Base
  after_action :print_accessed_fields, only: :index

  def index
    @posts = Post.all
  end

  private

  def print_accessed_fields
    p @posts.first.accessed_fields
  end
end