sendfile.rb in rack-contrib-1.8.0

- old
+ new

@@ -1,6 +1,8 @@
 require 'rack/file'
 
+warn "rack-contrib deprecation warning: the rack-contrib version of Rack::Sendfile is deprecated and will be removed in rack-contrib 2.0.  Please use the Rack::Sendfile from Rack 2.x instead."
+
 module Rack
 
   #
   # The Sendfile middleware intercepts responses whose body is being
   # served from a file and replaces it with a server specific X-Sendfile