murmur/Cert: OPENSSL_VERSION -> OPENSSL_VERSION_NUMBER.
murmur/Cert: OPENSSL_VERSION -> OPENSSL_VERSION_NUMBER.

I mistakenly checked OPENSSL_VERSION (which doesn't exist), instead of
OPENSSL_VERSION_NUMBER, making the check fail.

Lartza/mumble,Lartza/mumble,Lartza/mumble,Lartza/mumble,Lartza/mumble,Lartza/mumble,Lartza/mumble,Lartza/mumble