cbb20c5 responders: do not leak selinux context on clients destruction

1 file Authored by pbrezina 7 years ago, Committed by lslebodn 7 years ago,
    responders: do not leak selinux context on clients destruction
    
    The SELinux context created in get_client_cred is not talloc bound and
    we were leaking it if available with each client's destruction.
    
    Resolves:
    https://pagure.io/SSSD/sssd/issue/3360
    
    Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>