MINOR: quic: store ssl_sock_ctx reference into quic_conn

Add a pointer in quic_conn to its related ssl_sock_ctx. This change is
required to avoid to use the connection instance to access it.

This commit is part of the rearchitecture of xprt-quic layers and the
separation between xprt and connection instances. It will be notably
useful when the connection allocation will be delayed.
2 files changed