Add some TODO notes into init.c
Add some TODO notes into init.c

We should be seeking to move the OPENSSL_init_crypto and OPENSSL_cleanup
processing into OPENSSL_CTX instead.

Reviewed-by: Richard Levitte <5fb523282dd7956571c80524edc2dccfa0bd8234@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/8857)

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