ruby-additional.el: change key

* misc/ruby-additional.el (ruby-encode-unicode): change key
  binding to get rid of conflict with uncomment-region.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46995 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

misc/ruby-additional.el

@@ -106,7 +106,7 @@ Emacs to Ruby."
                      (t (when ruby-insert-encoding-magic-comment
                           (insert "# -*- coding: " coding-system " -*-\n"))))))))
 
-     (define-key ruby-mode-map "\C-c\C-u" 'ruby-encode-unicode)
+     (define-key ruby-mode-map "\C-cU" 'ruby-encode-unicode)
 
      (defun ruby-encode-unicode (beg end)
        "Convert non-ascii string in the given region to \\u{} form."