Delete a few compiler warnings and some typos that were actual errors. B...

For that issue I just created...I'm not sure how to associate the two.

I haven't had a chance to test it seriously (just verified that the basic-window example loads and runs without warnings), but it's all pretty simple and straightforward.

Well, except for adding a dependency to alexandria to use with-gensyms to ignore the error-code in def-error-callback. That probably wasn't such a hot idea.