package/nmap: add NMAP_CPE_ID_VENDOR

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

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

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

package/nmap/nmap.mk

@@ -12,6 +12,7 @@ NMAP_CONF_OPTS = --without-liblua --without-zenmap \
 	--with-libdnet=included
 NMAP_LICENSE = nmap license
 NMAP_LICENSE_FILES = LICENSE
+NMAP_CPE_ID_VENDOR = nmap
 NMAP_SELINUX_MODULES = netutils
 
 # needed by libpcap