spnego: add missing OID to oid registry

Add missing OID to the registry. Some servers and clients (including
Windows) now request "NEGOEX - SPNEGEO Extended Negotiation Security")

See https://datatracker.ietf.org/doc/html/draft-zhu-negoex-02Reviewed-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>

include/linux/oid_registry.h

@@ -67,6 +67,7 @@ enum OID {
 	OID_msOutlookExpress,		/* 1.3.6.1.4.1.311.16.4 */
 
 	OID_ntlmssp,			/* 1.3.6.1.4.1.311.2.2.10 */
+	OID_negoex,			/* 1.3.6.1.4.1.311.2.2.30 */
 
 	OID_spnego,			/* 1.3.6.1.5.5.2 */