package/polkit: set POLKIT_CPE_ID_VALID

cpe:2.3:a:polkit_project:polkit is a valid CPE identifier for this
package:

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

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

package/polkit/polkit.mk

@@ -8,6 +8,7 @@ POLKIT_VERSION = 0.116
 POLKIT_SITE = http://www.freedesktop.org/software/polkit/releases
 POLKIT_LICENSE = GPL-2.0
 POLKIT_LICENSE_FILES = COPYING
+POLKIT_CPE_ID_VALID = YES
 POLKIT_AUTORECONF = YES
 POLKIT_INSTALL_STAGING = YES