Contrary to the CVE report, the vulnerable trace functions
don't exist in readline v5.2 (which we keep for GPLv2+
purposes), they were added in readline v6.0 only - let's
whitelist that CVE in order to avoid false positives.
See also the discussion in
https://patchwork.openembedded.org/patch/81765/
Signed-off-by: André Draszik <adraszik@tycoint.com> Reviewed-by: Lukasz Nowak <lnowak@tycoint.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
