thinking_sphinx_search_to_json_fix.rb

# #to_json isn't populating the results correctly and a CircularReference error
# is getting raised. This makes sure that populate is called first and #to_json
# is called on the result array.
ThinkingSphinx::Search.class_eval do
  def as_json(*args)
    populate
    @array.as_json(*args)
  end
  def to_json(*args)
    populate
    @array.to_json(*args)
  end
end