Note previous change in log

Author: kenahoo

Changes

@@ -10,6 +10,9 @@ Revision history for Perl extension Module::Build.
   - The Module::Metadata package was split out from this distro back
     in 2010.  Removed its regression tests
 
+  - Removed dependence on IO::File, replacing it with safe invocations
+    of open(). [Sven Dowideit]
+
 0.4005 - Thu Apr 25 15:10:14 CEST 2013
 
   [ENHANCEMENTS]