Fix for empty line in RSS-Feed

I’ve had the problem with an empty line in the rss-feed. The solution for not working wordpress feeds works for flatpress feeds as well:

http://www.webplaces.org/WordPress-RSS-Feed-Error.htm

Somehow there’s still some code that make my feed not work with feedburner, but I don’t need feedburner. It works well with posting items from blog to facebook.

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