ensures extractor recorder is rewind because it is always read

Author: Enrique Guillen

lib/apipie/extractor/recorder.rb

@@ -13,12 +13,13 @@ def analyse_env(env)
         @query = env["QUERY_STRING"] unless env["QUERY_STRING"].blank?
         @params = Rack::Utils.parse_nested_query(@query)
         @params.merge!(env["action_dispatch.request.request_parameters"] || {})
-        if data = parse_data(env["rack.input"].read)
+        rack_input = env["rack.input"]
+        if data = parse_data(rack_input.read)
           @request_data = data
-          env["rack.input"].rewind
         elsif form_hash = env["rack.request.form_hash"]
           @request_data = reformat_multipart_data(form_hash)
         end
+        rack_input.rewind
       end
 
       def analyse_controller(controller)