We only populate bytes, pseudobytes, and status and in OpenSSL 1.1.0
seed and add changed signature (from void return to int).

Also, ENGINE_load_openssl and ENGINE_load_dynamic became macros.

Threading issues keep cropping up. ENGINE_add already
acquires a lock at the C layer via CRYPTO_w_lock (provided you
have registered the locking callbacks) so let's try to use that.

As part of this we'll try to init the openssl locks, but of course
there's potentially a race there as well. Clearly this isn't the real
fix but it might improve the situation while we try to determine what to
do.