Log Message:
Updated openconnect to 7.07.

From Kai-Uwe Eckhardt in PR 51576.

OpenConnect v7.07 (PGP signature) — 2016-07-11

    More fixes for OpenSSL 1.1 build.
    Support Juniper "Post Sign-in Message".
    Add --protocol option.
    Fix ChaCha20-Poly1305 cipher suite to reflect final standard.
    Add ability to disable IPv6 support via library API.
    Set groups appropriately when using setuid().
    Automatic DTLS MTU detection.
    Support SSL client certificate authentication with Juniper servers.
    Revamp SSL certificate validation for OpenSSL and stop supporting OpenSSL \ 
older than 0.9.8.
    Fix handling of multiple DNS search domains with Network Connect.
    Fix handling of large configuration packets for Network Connect.
    Enable SNI when built with OpenSSL (1.0.1g or later).
    Add --resolve and --local-hostname options to command line.