lib/rack/sendfile.rb in rack-1.6.0.beta vs lib/rack/sendfile.rb in rack-1.6.0.beta2

@@ -114,21 +114,21 @@
       if body.respond_to?(:to_path)
         case type = variation(env)
         when 'X-Accel-Redirect'
           path = F.expand_path(body.to_path)
           if url = map_accel_path(env, path)
-            headers['Content-Length'] = '0'
+            headers[CONTENT_LENGTH] = '0'
             headers[type] = url
             obody = body
             body = Rack::BodyProxy.new([]) do
               obody.close if obody.respond_to?(:close)
             end
           else
             env['rack.errors'].puts "X-Accel-Mapping header missing"
           end
         when 'X-Sendfile', 'X-Lighttpd-Send-File'
           path = F.expand_path(body.to_path)
-          headers['Content-Length'] = '0'
+          headers[CONTENT_LENGTH] = '0'
           headers[type] = path
           obody = body
           body = Rack::BodyProxy.new([]) do
             obody.close if obody.respond_to?(:close)
           end