package/janus-gateway: add CPE variables

cpe:2.3:a:meetecho:janus is a valid CPE identifier for this package:

  https://nvd.nist.gov/products/cpe/search/results?namingFormat=2.3&keyword=cpe%3A2.3%3Aa%3Ameetecho%3Ajanus

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/janus-gateway/janus-gateway.mk

@@ -8,6 +8,8 @@ JANUS_GATEWAY_VERSION = 0.10.3
 JANUS_GATEWAY_SITE = $(call github,meetecho,janus-gateway,v$(JANUS_GATEWAY_VERSION))
 JANUS_GATEWAY_LICENSE = GPL-3.0 with OpenSSL exception
 JANUS_GATEWAY_LICENSE_FILES = COPYING
+JANUS_GATEWAY_CPE_ID_VENDOR = meetecho
+JANUS_GATEWAY_CPE_ID_PRODUCT = janus
 
 # ding-libs provides the ini_config library
 JANUS_GATEWAY_DEPENDENCIES = host-pkgconf jansson libnice \