LibVNCClient: properly free the openssl session stuff on shutdown.

libvncclient/tls_openssl.c

@@ -568,9 +568,7 @@ void FreeTLS(rfbClient* client)
 {
   int i;
 
-  if (mutex_buf == NULL)
-    return (0);
-
+  if (mutex_buf != NULL) {
     CRYPTO_set_dynlock_create_callback(NULL);
     CRYPTO_set_dynlock_lock_callback(NULL);
     CRYPTO_set_dynlock_destroy_callback(NULL);
@@ -582,5 +580,8 @@ void FreeTLS(rfbClient* client)
       pthread_mutex_destroy(&mutex_buf[i]);
     free(mutex_buf);
     mutex_buf = NULL;
+  }
+
+  SSL_free(client->tlsSession);
 }