package/xscreensaver: set XSCREENSAVER_CPE_ID_VALID

cpe:2.3:a:xscreensaver_project:xscreensaver is a valid CPE identifier
for this package:

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

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/xscreensaver/xscreensaver.mk

@@ -10,6 +10,7 @@ XSCREENSAVER_SITE = https://www.jwz.org/xscreensaver
 # N.B. GPL-2.0+ code (in the hacks/glx subdirectory) is not currently built.
 XSCREENSAVER_LICENSE = MIT-like, GPL-2.0+
 XSCREENSAVER_LICENSE_FILES = hacks/screenhack.h hacks/glx/chessmodels.h
+XSCREENSAVER_CPE_ID_VALID = YES
 
 XSCREENSAVER_DEPENDENCIES = \
 	gdk-pixbuf \