Remove unnecessarily escaped characters.

[arturobernalg]

[pjfanning]

@arturobernalg we don't use git - we use svn. Usually, if the Github PR is worthwhile, I'll go through the effort of creating a svn commit. In this case, I don't think the new code is a big improvement. I'm going to opt out of this. Maybe some other POI dev will like the change and apply it.