tool: fixed shadowing variables

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63460 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/tool/checksum.rb b/tool/checksum.rb
index 0de54a314d..3b41aedcfc 100755
--- a/tool/checksum.rb
+++ b/tool/checksum.rb
@@ -67,6 +67,6 @@ class Checksum
   def self.update(argv)
     k = new(VPath.new)
     k.source, k.target, *argv = k.def_options.parse(*argv)
-    k.update {|k| yield(k, *argv)}
+    k.update {|_| yield(_, *argv)}
   end
 end