fix limit weblog buffer

src/web/WebLogService.h

@@ -70,6 +70,7 @@ class WebLogService : public uuid::log::Handler {
 
     uint64_t                     last_transmit_        = 0;                // Last transmit time
     size_t                       maximum_log_messages_ = MAX_LOG_MESSAGES; // Maximum number of log messages to buffer before they are output
+    size_t                       limit_log_messages_   = MAX_LOG_MESSAGES; // dynamic limit
     unsigned long                log_message_id_       = 0;                // The next identifier to use for queued log messages
     unsigned long                log_message_id_tail_  = 0;                // last event shown on the screen after fetch
     std::deque<QueuedLogMessage> log_messages_;                            // Queued log messages, in the order they were received