Avoid dereferencing a pointer when reporting an error about the same

pointer being NULL.

Found by jsg@ with cppcheck; also detected by Coverity.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/lib/libssl/ssl_lib.c b/src/lib/libssl/ssl_lib.c
index 7e752ae0d0..65b26209b8 100644
--- a/src/lib/libssl/ssl_lib.c
+++ b/src/lib/libssl/ssl_lib.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssl_lib.c,v 1.156 2017/02/07 02:08:38 beck Exp $ */
+/* $OpenBSD: ssl_lib.c,v 1.157 2017/02/15 14:56:42 jsing Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -886,7 +886,7 @@ int
 SSL_check_private_key(const SSL *ssl)
 {
         if (ssl == NULL) {
-                SSLerror(ssl, ERR_R_PASSED_NULL_PARAMETER);
+                SSLerrorx(ERR_R_PASSED_NULL_PARAMETER);
                 return (0);
         }
         if (ssl->cert == NULL) {