package/lua: add LUA_CPE_ID_VENDOR

cpe:2.3:a:lua:lua is a valid CPE identifier for this package:

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

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

package/lua/lua.mk

@@ -19,6 +19,7 @@ LUA_LICENSE_FILES = doc/readme.html
 else
 LUA_LICENSE_FILES = COPYRIGHT
 endif
+LUA_CPE_ID_VENDOR = lua
 
 LUA_PROVIDES = luainterpreter