Removed extra filename parsing in metadata cleaner. If it hadn't been done yet,…

Removed extra filename parsing in metadata cleaner. If it hadn't been done yet, your files won't be renamed anyway.

tasks/paperclip_tasks.rake

@@ -48,7 +48,7 @@ namespace :paperclip do
     task :metadata => :environment do
     task :metadata => :environment do
       for_all_attachments do |instance, name|
       for_all_attachments do |instance, name|
         if file = instance.send(name).to_file
         if file = instance.send(name).to_file
-          instance.send("#{name}_file_name=", instance.send("#{name}_file_name").strip.gsub(/[^\w\d\.\-]+/, '_'))
+          instance.send("#{name}_file_name=", instance.send("#{name}_file_name").strip
           instance.send("#{name}_content_type=", file.content_type.strip)
           instance.send("#{name}_content_type=", file.content_type.strip)
           instance.send("#{name}_file_size=", file.size) if instance.respond_to?("#{name}_file_size")
           instance.send("#{name}_file_size=", file.size) if instance.respond_to?("#{name}_file_size")
           instance.save(false)
           instance.save(false)