Always bind with priv_user_dn if configured in validate as per Miguel Cabeça's patch.
Always bind with priv_user_dn if configured in validate as per Miguel Cabeça's patch.

Otherwise using validate for getting attributes (not authenticate eg. from cas)
would only bind with priv_user_dn when also searching for the dn was configured.

vivekrajenderan/simplesamlphp,tectronics/simplesamlphp,tectronics/simplesamlphp,vivekrajenderan/simplesamlphp,vivekrajenderan/simplesamlphp,tectronics/simplesamlphp,vivekrajenderan/simplesamlphp,vivekrajenderan/simplesamlphp,tectronics/simplesamlphp,tectronics/simplesamlphp