rails/rails — pull request #11126 by tumayun (2013-06-26 17:52:10+00:00)
Title: fix activerecord/examples/performance.rb#L101 syntax error

ruby activerecord/examples/performance.rb
```ruby
activerecord/examples/performance.rb:101: syntax error, unexpected ':', expecting =>
:created_at: Date.today
^
activerecord/examples/performance.rb:102: syntax error, unexpected '}', expecting keyword_end
```