Rakefile in diffy-3.1.0 vs Rakefile in diffy-3.2.0

@@ -1,8 +1,10 @@
 require 'rspec/core/rake_task'
 
 task :default => :spec
 
 desc "Run all specs in spec directory"
+
 RSpec::Core::RakeTask.new(:spec) do |t|
   t.pattern = "./spec/**/*_spec.rb" # don't need this, it's default.
+  t.ruby_opts = "-w"
 end