external.rb in writeexcel-0.4.2

- old
+ new

@@ -13,10 +13,12 @@
 # converted to Ruby by Hideo Nakamura, cxn03651@msj.biglobe.ne.jp
 #
 
 require 'writeexcel/chart'
 
+module Writeexcel
+
 class External < Chart # :nodoc:
   ###############################################################################
   #
   # new()
   #
@@ -57,6 +59,8 @@
   # external binary, so we have a default close method.
   #
   def close
     nil
   end
-end
+end  # class Chart
+
+end  # module Writeexcel