package/cups-pk-helper: add CUPS_PK_HELPER_CPE_ID_VENDOR

cpe:2.3:a:cups-pk-helper_project:cups-pk-helper is a valid CPE
identifier for this package:

  https://nvd.nist.gov/products/cpe/search/results?namingFormat=2.3&keyword=cpe%3A2.3%3Aa%3Acups-pk-helper_project%3Acups-pk-helper

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>

package/cups-pk-helper/cups-pk-helper.mk

@@ -9,6 +9,7 @@ CUPS_PK_HELPER_SITE = https://www.freedesktop.org/software/cups-pk-helper/releas
 CUPS_PK_HELPER_SOURCE = cups-pk-helper-$(CUPS_PK_HELPER_VERSION).tar.xz
 CUPS_PK_HELPER_LICENSE = GPL-2.0+
 CUPS_PK_HELPER_LICENSE_FILES = COPYING
+CUPS_PK_HELPER_CPE_ID_VENDOR = cups-pk-helper_project
 CUPS_PK_HELPER_DEPENDENCIES = cups libglib2 polkit
 
 $(eval $(autotools-package))