package/findutils: add FINDUTILS_CPE_ID_VENDOR

cpe:2.3:a:gnu:findutils 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%3Afindutils

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

package/findutils/findutils.mk

@@ -9,6 +9,7 @@ FINDUTILS_SOURCE = findutils-$(FINDUTILS_VERSION).tar.xz
 FINDUTILS_SITE = $(BR2_GNU_MIRROR)/findutils
 FINDUTILS_LICENSE = GPL-3.0+
 FINDUTILS_LICENSE_FILES = COPYING
+FINDUTILS_CPE_ID_VENDOR = gnu
 FINDUTILS_CONF_ENV = \
 	gl_cv_func_stdin=yes \
 	ac_cv_func_working_mktime=yes \