Got that one too. Also got this [1] but it looks like public keys maybe ? I'dont have time to check right now.
I got this, but I have too little time to verify whether it actually contains key information or not: http://pastebin.com/0CRw6hSy
Edit: It seems that these are only trusted CA certs, there is no server cert in there.
ssl_certificate_key /home/nick/server.key