ChangeLog: fix filename [ci skip]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54191 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2016-03-19 09:29:29 +00:00 · 2016-03-19 09:29:29 +00:00 · 4ce02b7bae
--- a/2
+++ b/2
@ -58,7 +58,7 @@ Fri Mar 18 23:41:00 2016  Kenta Murata  <mrkn@mrkn.jp>
 	* numeric.c (Integer#to_f, Fixnum#to_f): move to_f method from Fixnum
 	  to Integer.

-	* ext/-test-/integer/my_integer.rb: define helper class for testing
+	* ext/-test-/integer/my_integer.c: define helper class for testing
 	  to_f method for a subclass of Integer.

 	* ext/-test-/integer/extconf.rb: ditto.