package/tinc: add TINC_CPE_ID_VENDOR

cpe:2.3:a:tinc-vpn:tinc is a valid CPE identifier for this package:

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

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
diff --git a/package/tinc/tinc.mk b/package/tinc/tinc.mk
index 56a26e9..0726e81 100644
--- a/package/tinc/tinc.mk
+++ b/package/tinc/tinc.mk
@@ -9,6 +9,7 @@
 TINC_DEPENDENCIES = lzo openssl zlib
 TINC_LICENSE = GPL-2.0+ with OpenSSL exception
 TINC_LICENSE_FILES = COPYING COPYING.README
+TINC_CPE_ID_VENDOR = tinc-vpn
 TINC_CONF_ENV = CFLAGS="$(TARGET_CFLAGS) -std=c99"
 
 ifeq ($(BR2_TOOLCHAIN_SUPPORTS_PIE),)