package/x11r7/xlib_libXt: add CPE variables

cpe:2.3:a:x:libxt is a valid CPE identifier for this package:

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

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

package/x11r7/xlib_libXt/xlib_libXt.mk

@@ -10,6 +10,8 @@ XLIB_LIBXT_SITE = http://xorg.freedesktop.org/releases/individual/lib
 XLIB_LIBXT_LICENSE = MIT
 XLIB_LIBXT_LICENSE_FILES = COPYING
 XLIB_LIBXT_INSTALL_STAGING = YES
+XLIB_LIBXT_CPE_ID_VENDOR = x
+XLIB_LIBXT_CPE_ID_PRODUCT = libxt
 XLIB_LIBXT_DEPENDENCIES = xlib_libSM xlib_libX11 xorgproto xcb-proto libxcb host-xorgproto
 XLIB_LIBXT_CONF_OPTS = --disable-malloc0returnsnull