Add |X509_EXT_conf_nid| to decrepit.

This function is a deprecated version of |X509_EXT_nconf_nid| that takes
a hash of |CONF_VALUE|s directly rather than a |CONF|.

Change-Id: I5fd1025b31d73b988d9298b2624453017dd34ff4
Reviewed-on: https://boringssl-review.googlesource.com/7363
Reviewed-by: David Benjamin <davidben@google.com>
diff --git a/include/openssl/x509v3.h b/include/openssl/x509v3.h
index b7b8ba7..a3d5a4b 100644
--- a/include/openssl/x509v3.h
+++ b/include/openssl/x509v3.h
@@ -600,6 +600,7 @@
 				  X509V3_CTX *ctx, CONF_VALUE *cnf, int is_nc);
 OPENSSL_EXPORT void X509V3_conf_free(CONF_VALUE *val);
 
+OPENSSL_EXPORT X509_EXTENSION *X509V3_EXT_conf_nid(LHASH_OF(CONF_VALUE) *conf, X509V3_CTX *ctx, int ext_nid, char *value);
 OPENSSL_EXPORT X509_EXTENSION *X509V3_EXT_nconf_nid(CONF *conf, X509V3_CTX *ctx, int ext_nid, char *value);
 OPENSSL_EXPORT X509_EXTENSION *X509V3_EXT_nconf(CONF *conf, X509V3_CTX *ctx, char *name, char *value);
 OPENSSL_EXPORT int X509V3_EXT_add_nconf_sk(CONF *conf, X509V3_CTX *ctx, char *section, STACK_OF(X509_EXTENSION) **sk);