rack.rb in cas-client-0.1.2.pre.p15

- old
+ new

@@ -8,10 +8,10 @@
       def call(env)
         puts "CAS Client Called from Rack!"
         status, headers, rack_body = @app.call(env)
         puts "Middleware called. Status: #{status}, Headers: #{headers}"
 
-        if rack_body.class == RackBody && rack_body.body.class == String
+        if rack_body.respond_to?("body") && rack_body.body.class == String
           response = rack_body.body
           response += "CAS Client Called!!!"
           headers["Content-Length"] = response.length.to_s
           return [status, headers, [response]]
         else