Add GOST12 cms/smime capabilities

Add additional NID references in the CMS/SMIME capabilities code to cater
for GOST12.

Patch supplied by Dmitry Belyavsky <beldmit@gmail.com>
Reviewed-by: NRich Salz <rsalz@openssl.org>

crypto/cms/cms_sd.c

@@ -933,6 +933,8 @@ static int cms_add_digest_smcap(STACK_OF(X509_ALGOR) **sk, int nid, int arg)
 int CMS_add_standard_smimecap(STACK_OF(X509_ALGOR) **smcap)
 {
     if (!cms_add_cipher_smcap(smcap, NID_aes_256_cbc, -1)
+        || !cms_add_digest_smcap(smcap, NID_id_GostR3411_2012_256, -1)
+        || !cms_add_digest_smcap(smcap, NID_id_GostR3411_2012_512, -1)
         || !cms_add_digest_smcap(smcap, NID_id_GostR3411_94, -1)
         || !cms_add_cipher_smcap(smcap, NID_id_Gost28147_89, -1)
         || !cms_add_cipher_smcap(smcap, NID_aes_192_cbc, -1)

crypto/pkcs7/pk7_smime.c

@@ -189,6 +189,8 @@ PKCS7_SIGNER_INFO *PKCS7_sign_add_signer(PKCS7 *p7, X509 *signcert,
                 goto err;
             }
             if (!add_cipher_smcap(smcap, NID_aes_256_cbc, -1)
+                || !add_digest_smcap(smcap, NID_id_GostR3411_2012_256, -1)
+                || !add_digest_smcap(smcap, NID_id_GostR3411_2012_512, -1)
                 || !add_digest_smcap(smcap, NID_id_GostR3411_94, -1)
                 || !add_cipher_smcap(smcap, NID_id_Gost28147_89, -1)
                 || !add_cipher_smcap(smcap, NID_aes_192_cbc, -1)