Rename recently introduced functions for improved code clarity:
      [DR]SA_up  =>  [DR]SA_up_ref

ssl/ssl_cert.c

diff --git a/ssl/ssl_cert.c b/ssl/ssl_cert.c
index fcd6ff9..6895f62 100644
--- a/ssl/ssl_cert.c
+++ b/ssl/ssl_cert.c
@@ -190,7 +190,7 @@
 #ifndef OPENSSL_NO_RSA
 	if (cert->rsa_tmp != NULL)
 		{
-		RSA_up(cert->rsa_tmp);
+		RSA_up_ref(cert->rsa_tmp);
 		ret->rsa_tmp = cert->rsa_tmp;
 		}
 	ret->rsa_tmp_cb = cert->rsa_tmp_cb;