Bug#828486: Support for multiple versions of OpenSSL in libp11

[Michał Trojnara]

Hi,

Support for multiple OpenSSL versions was added in libp11 0.4.3:
https://github.com/OpenSC/libp11/releases/tag/libp11-0.4.3

The specific features are:
 - Symbol versioning
 - Soname tied with with the OpenSSL soname

Best regards,
    Mike