On Mac OS Lion, OpenSSL has been deprecated, which results in tons of
warnings when compiling. Seems the compiler reports about every single
OpenSSL function it sees being called.
I don't think we want/need to fix that immediately, but it's something
to keep on the radar. The good news: Apple has a replacement library,
Common Crypto.Perhaps that's something to use in the future instead
of OpenSSL (yeah! ...