Gemfile in amq-client-0.7.0.alpha34 vs Gemfile in amq-client-0.7.0.alpha35

@@ -20,10 +20,10 @@
 custom_gem "amq-protocol", :git => "git://github.com/ruby-amqp/amq-protocol.git", :branch => "master"
 
 group :development do
   gem "yard"
   # yard tags this buddy along
-  gem "RedCloth"
+  gem "RedCloth", :platform => :mri
 
   gem "nake",          :platform => :ruby_19
   gem "contributors",  :platform => :ruby_19
 
   # excludes Windows and JRuby