package/libfreeimage: add CPE variables

cpe:2.3:a:freeimage_project:freeimage is a valid CPE identifier for this
package:

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

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

package/libfreeimage/libfreeimage.mk

@@ -9,6 +9,8 @@ LIBFREEIMAGE_SITE = http://downloads.sourceforge.net/freeimage
 LIBFREEIMAGE_SOURCE = FreeImage$(subst .,,$(LIBFREEIMAGE_VERSION)).zip
 LIBFREEIMAGE_LICENSE = GPL-2.0 or GPL-3.0 or FreeImage Public License
 LIBFREEIMAGE_LICENSE_FILES = license-gplv2.txt license-gplv3.txt license-fi.txt
+LIBFREEIMAGE_CPE_ID_VENDOR = freeimage_project
+LIBFREEIMAGE_CPE_ID_PRODUCT = freeimage
 LIBFREEIMAGE_INSTALL_STAGING = YES
 
 define LIBFREEIMAGE_EXTRACT_CMDS