Description: Add a missing requirement on yaml to run integrity_spec.rb
Author: Cédric Boutillier <cedric.boutillier@gmail.com>
Bug: https://github.com/yob/pdf-reader/issues/49
Last-Update: 2012-02-23

--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -9,6 +9,7 @@
 require 'timeout'
 require 'singleton'
 require 'digest/md5'
+require 'yaml'
 
 
 # Requires supporting ruby files with custom matchers and macros, etc,