Merge pull request #615 from scientist-softserv/i614-file-set-show-as…

…-admin

🐛 Fix undefined local variable `iiif_print`

config/routes.rb

@@ -10,6 +10,7 @@
   concern :oai_provider, BlacklightOaiProvider::Routes.new
 
   mount Hyrax::IiifAv::Engine, at: '/'
+  mount IiifPrint::Engine, at: '/'
   mount Riiif::Engine => 'images', as: :riiif if Hyrax.config.iiif_image_server?
 
   authenticate :user, lambda { |u| u.is_superadmin || u.is_admin } do