Update actionpack/CHANGELOG.md

actionpack/CHANGELOG.md

-## Rails 3.2.0 (unreleased) ##
-
 *   check_box helper with :disabled => true will generate a disabled hidden field to conform with the HTML convention where disabled fields are not submitted with the form.
     This is a behavior change, previously the hidden tag had a value of the disabled checkbox.
     *Tadas Tamosauskas*
 
+## Rails 3.2.0 (unreleased) ##
+
 *   Add font_path helper method *Santiago Pastorino*
 
 *   Depends on rack ~> 1.4.0 *Santiago Pastorino*