fix a typo [ci skip]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55980 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-08-21 11:03:15 +00:00 · 2016-08-21 11:03:15 +00:00 · 02a30129a1
--- a/2
+++ b/2
@ -1,6 +1,6 @@
 Sat Aug 21 05:47:00 2016  Kenta Murata  <mrkn@mrkn.jp>

-	* enum.c (enum_sort): prevent wasteful array duplicaion.
+	* enum.c (enum_sort): prevent wasteful array duplication.

 Sat Aug 20 11:20:32 2016  Nobuyoshi Nakada  <nobu@ruby-lang.org>