Restore gssapi-canohost.patch (#1749862)
    
    This is useful when connecting through proxyjump in combination with
    GSSAPITrustDNS yes, because we can not get remote address of such socket.
    
    https://src.fedoraproject.org/rpms/openssh/blob/f29/f/openssh-6.1p1-gssapi-canohost.patch