fix castle md5 check if file have dos newlines

[chbieri]

Signed-off-by: christoph bieri [email protected]

I had accidentally set autocrlf in the game git repo and ended up with a crlf castle with diffrent md5 hash as the solution.

The fix is serenity not the best solution, but a quick win.

A better solution could be the definition of line endings in the .gitattributes file, but I didn't try it.