zip-container-info in zip-container-2.1.0

- old
+ new

@@ -42,10 +42,10 @@
 usage unless ARGV.length == 1
 
 container_file = ARGV[0]
 
 begin
-  container = ZipContainer::Container.open(container_file)
+  container = ZipContainer::File.open(container_file)
 rescue ZipContainer::MalformedContainerError, ZipContainer::ZipError => err
   puts err.to_s
   exit 1
 end
 