package/vala: add VALA_CPE_ID_VENDOR

cpe:2.3:a:gnome:vala is a valid CPE identifier for this package:

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

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

package/vala/vala.mk

@@ -10,6 +10,7 @@ VALA_SITE = http://download.gnome.org/sources/vala/$(VALA_VERSION_MAJOR)
 VALA_SOURCE = vala-$(VALA_VERSION).tar.xz
 VALA_LICENSE = LGPL-2.1+
 VALA_LICENSE_FILES = COPYING
+VALA_CPE_ID_VENDOR = gnome
 
 HOST_VALA_DEPENDENCIES = host-bison host-flex host-libglib2
 # Yes, the autoconf script understands ':' as "xsltproc is not