Add more accessors.

(Imported from upstream's cacdfcb2479984d9bfcc79b623118d8af6fea169)

crypto/x509/x509.h

diff --git a/crypto/x509/x509.h b/crypto/x509/x509.h
index 7aeb171..3d91df2 100644
--- a/crypto/x509/x509.h
+++ b/crypto/x509/x509.h
@@ -575,7 +575,7 @@
 /* #define	X509_get_serialNumber(x) ((x)->cert_info->serialNumber) */
 #define		X509_get_notBefore(x) ((x)->cert_info->validity->notBefore)
 #define		X509_get_notAfter(x) ((x)->cert_info->validity->notAfter)
-#define		X509_get_cinf(x) ((x)->cert_info)
+#define		X509_get_cert_info(x) ((x)->cert_info)
 #define		X509_extract_key(x)	X509_get_pubkey(x) /*****/
 #define		X509_REQ_get_version(x) ASN1_INTEGER_get((x)->req_info->version)
 #define		X509_REQ_get_subject_name(x) ((x)->req_info->subject)
@@ -589,6 +589,13 @@
 #define		X509_CRL_get_issuer(x) ((x)->crl->issuer)
 #define		X509_CRL_get_REVOKED(x) ((x)->crl->revoked)
 
+#define		X509_CINF_set_modified(c) ((c)->enc.modified = 1)
+#define		X509_CINF_get_issuer(c) (&(c)->issuer)
+#define		X509_CINF_get_extensions(c) ((c)->extensions)
+#define		X509_CINF_get_signature(c) ((c)->signature)
+
+#define		X509_ALGOR_get_algorithm(a) ((a)->algorithm)
+
 void X509_CRL_set_default_method(const X509_CRL_METHOD *meth);
 X509_CRL_METHOD *X509_CRL_METHOD_new(
 	int (*crl_init)(X509_CRL *crl),