canalplus.lua: redirect_url: If hosted elsewhere
canalplus.lua: redirect_url: If hosted elsewhere

DangerCove/libquvi-scripts,hadess/libquvi-scripts-iplayer,alech/libquvi-scripts,legatvs/libquvi-scripts,DangerCove/libquvi-scripts,alech/libquvi-scripts,hadess/libquvi-scripts-iplayer,legatvs/libquvi-scripts