package/speex: add SPEEX_CPE_ID_VENDOR
cpe:2.3:a:xiph:speex is a valid CPE identifier for this package:
https://nvd.nist.gov/products/cpe/search/results?namingFormat=2.3&keyword=cpe%3A2.3%3Aa%3Axiph%3Aspeex
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit c84cd8b1d1fec2b56d44c747bddc70a240433694)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Fabrice Fontaine