assets.rb in roda-3.26.0

- old
+ new

@@ -492,10 +492,10 @@
 
           content = files.map do |file|
             file = "#{dirs.join('/')}/#{file}" if dirs && o[:group_subdirs]
             file = "#{o[:"#{type}_path"]}#{file}"
             app.read_asset_file(file, type)
-          end.join
+          end.join("\n")
 
           unless o[:concat_only]
             content = compress_asset(content, type)
           end
 