bootstraptest/test_marshal.rb: test updated

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15657 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

bootstraptest/test_marshal.rb

@@ -1,5 +1,5 @@
 
 assert_normal_exit %q{
-  Marshal.load(Marshal.dump({"k"=>"v"}), lambda {|v| })
+  Marshal.load(Marshal.dump({"k"=>"v"}), lambda {|v| v})
 }