Issue 6349 - RFE - extract keys once (389ds#6363) (389ds#6394)

Bug Description: Keys/Certs are extracted to PEM
repeatedly causing many warnings during outbound TLS
authenticated replication

Fix Description: After more testing, if the connection is
dropped and restarted, the certpath is retrieved but
re-extraction does not occur. This still triggers the
warning however. To resolve this, we only warn about
the tpm namespace during library initialisation.

I really hope I got it right this time :(

fixes: 389ds#6349

Author: William Brown <[email protected]>

Review by: ???

ldap/servers/slapd/ssl.c

@@ -966,9 +966,12 @@ check_private_certdir()
 
     if (!tmp_private) {
         /* tmp is not a private name space */
-        slapi_log_err(SLAPI_LOG_WARNING, "Security Initialization",
+        if (_security_library_initialized != 0) {
+            /* only alert about this the first time around */
+            slapi_log_err(SLAPI_LOG_WARNING, "Security Initialization",
                 "%s is not a private namespace. pem files not exported there\n",
                 private_mountpoint);
+        }
         return NULL;
     }