fixed code sample from section 5.3 of Rails 2.2 release notes

gistfile1.txt

# fixed code sample from section 5.3 of Rails 2.2 release notes.

class Photo < ActiveRecord::Base
  belongs_to :product
end

class Product < ActiveRecord::Base
  has_many :photos
end

# Get all products with copyright-free photos:
Product.find(:all, :joins => :photos,
  :conditions => { :photos => { :copyright => false }})