package/gettext-gnu: add CPE variables

cpe:2.3:a:gnu:gettext is a valid CPE identifier for this package:

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

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
(cherry picked from commit 15b6cae49a8f1e48362732ed1845307fdd505f04)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/gettext-gnu/gettext-gnu.mk

@@ -11,6 +11,8 @@ GETTEXT_GNU_SOURCE = gettext-$(GETTEXT_GNU_VERSION).tar.xz
 GETTEXT_GNU_INSTALL_STAGING = YES
 GETTEXT_GNU_LICENSE = LGPL-2.1+ (libintl), GPL-3.0+ (the rest)
 GETTEXT_GNU_LICENSE_FILES = COPYING gettext-runtime/intl/COPYING.LIB
+GETTEXT_GNU_CPE_ID_VENDOR = gnu
+GETTEXT_GNU_CPE_ID_PRODUCT = gettext
 # 0002-restore-the-ability-to-buld-gettext-tools-seperately-part1.patch
 GETTEXT_GNU_AUTORECONF = YES
 GETTEXT_GNU_PROVIDES = gettext