Limit tls_config_clear_keys() to only clearing private keys.

This was inadvertently clearing the keypair, which includes the OCSP staple
and pubkey hash - if an application called tls_configure() followed by
tls_config_clear_keys(), this would prevent OCSP staples from working.

ok beck@

1 files changed, 2 insertions, 2 deletions

diff --git a/src/lib/libtls/tls_keypair.c b/src/lib/libtls/tls_keypair.c
index 03e7f4ad76..64048cf6a2 100644
--- a/src/lib/libtls/tls_keypair.c
+++ b/src/lib/libtls/tls_keypair.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: tls_keypair.c,v 1.5 2018/02/10 04:57:35 jsing Exp $ */
+/* $OpenBSD: tls_keypair.c,v 1.5.2.1 2018/04/18 16:29:11 jsing Exp $ */
 /*
  * Copyright (c) 2014 Joel Sing <jsing@openbsd.org>
  *
@@ -29,7 +29,7 @@ tls_keypair_new(void)
         return calloc(1, sizeof(struct tls_keypair));
 }
 
-static void
+void
 tls_keypair_clear_key(struct tls_keypair *keypair)
 {
         freezero(keypair->key_mem, keypair->key_len);