glibc: CVE-2018-20796 is same as CVE-2019-9169

See:
https://debbugs.gnu.org/cgi/bugreport.cgi?bug=34141
https://www.securityfocus.com/bid/107160

(From OE-Core rev: 7e90506534ed2a70680382cf28614f02fdb98409)

Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-core/glibc/glibc/CVE-2019-9169.patch

@@ -1,4 +1,5 @@
 CVE: CVE-2019-9169
+CVE: CVE-2018-20796
 Upstream-Status: Backport
 Signed-off-by: Ross Burton <ross.burton@intel.com>