Fix Yaml test in Windows

`FormatYamlTest::testObjectToStringWithArray()` and `FormatYamlTest::testObjectToStringWithObject` methods return failure when testing in Windows.

It's caused by the EOL setting.

I repair this issue and tested in Windows with no failure.

![p2013-11-09-9](https://f.cloud.github.com/assets/1639206/1506887/e9445082-4953-11e3-9880-cf18460615f1.jpg)