package/pppd: fix CPE ID

samba:ppp, added by commit 63332c33aa0771532807fd2684d4eee4eb952435, has
been deprecated in February 2020:

<cpe-item name="cpe:/a:samba:ppp:2.4.7" deprecated="true" deprecation_date="2020-02-24T15:55:39.787Z">
    <cpe-23:cpe23-item name="cpe:2.3:a:samba:ppp:2.4.7:*:*:*:*:*:*:*">

cpe:2.3:a:point-to-point_protocol_project:point-to-point_protocol is the
correct CPE identifier for this package:

  https://nvd.nist.gov/products/cpe/search/results?namingFormat=2.3&keyword=cpe%3A2.3%3Aa%3Apoint-to-point_protocol_project%3Apoint-to-point_protocol

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
(cherry picked from commit 9051a6322187129ba65249b5ee2228e045a4fa8c)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/pppd/pppd.mk

@@ -10,8 +10,8 @@ PPPD_LICENSE = LGPL-2.0+, LGPL, BSD-4-Clause, BSD-3-Clause, GPL-2.0+
 PPPD_LICENSE_FILES = \
 	pppd/tdb.c pppd/plugins/pppoatm/COPYING \
 	pppdump/bsd-comp.c pppd/ccp.c pppd/plugins/passprompt.c
-PPPD_CPE_ID_VENDOR = samba
-PPPD_CPE_ID_PRODUCT = ppp
+PPPD_CPE_ID_VENDOR = point-to-point_protocol_project
+PPPD_CPE_ID_PRODUCT = point-to-point_protocol
 
 # 0001-pppd-Fix-bounds-check.patch
 PPPD_IGNORE_CVES += CVE-2020-8597