package/orc: add CPE identifier

The cpe:2.3:a:gstreamer:orc:0.4.34:*:*:*:*:*:*:* is
valid for this package.

See https://nvd.nist.gov/products/cpe/detail/37DFA009-0707-4825-B28A-62451B1E2AFC

Signed-off-by: Thomas Perale <thomas.perale@mind.be>
Signed-off-by: Julien Olivain <ju.o@free.fr>

package/orc/orc.mk

@@ -9,6 +9,7 @@ ORC_SOURCE = orc-$(ORC_VERSION).tar.xz
 ORC_SITE = http://gstreamer.freedesktop.org/data/src/orc
 ORC_LICENSE = BSD-2-Clause, BSD-3-Clause
 ORC_LICENSE_FILES = COPYING
+ORC_CPE_ID_VENDOR = gstreamer
 ORC_INSTALL_STAGING = YES
 ORC_DEPENDENCIES = host-orc
 ORC_CONF_OPTS = \