Tidy disabled algorithm handling.
Tidy disabled algorithm handling.

Determine disabled algorithm masks when algorithms are loaded instead of
recalculating them each time.

Reviewed-by: Rich Salz <c04971a99e5a9ee80eaab4b1deb37e845b0bd697@openssl.org>

openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl