package/x11r7/xlib_libXpm: add CPE variables

cpe:2.3:a:libxpm_project:libxpm is a valid CPE identifier for this
package:

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

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

package/x11r7/xlib_libXpm/xlib_libXpm.mk

@@ -9,6 +9,8 @@ XLIB_LIBXPM_SOURCE = libXpm-$(XLIB_LIBXPM_VERSION).tar.bz2
 XLIB_LIBXPM_SITE = http://xorg.freedesktop.org/releases/individual/lib
 XLIB_LIBXPM_LICENSE = MIT
 XLIB_LIBXPM_LICENSE_FILES = COPYING COPYRIGHT
+XLIB_LIBXPM_CPE_ID_VENDOR = libxpm_project
+XLIB_LIBXPM_CPE_ID_PRODUCT = libxpm
 XLIB_LIBXPM_INSTALL_STAGING = YES
 XLIB_LIBXPM_DEPENDENCIES = xlib_libX11 xlib_libXext xlib_libXt xorgproto \
 	$(if $(BR2_PACKAGE_LIBICONV),libiconv) \