package/emlog: annotate CVE-2019-16868 and CVE-2019-17073

CVE-2019-16868 and CVE-2019-17073 are misclassified (by our CVE tracker)
as affecting emlog, while in fact it affects http://www.emlog.net

.

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>