Merge pull request #12835 from shamser/issue21618

HPCC-21618 Don't init LogMsgSysInfo::node by default

Reviewed-by: Gavin Halliday <ghalliday@hpccsystems.com>

system/jlib/jlog.cpp

@@ -66,7 +66,9 @@ LogMsgSysInfo::LogMsgSysInfo(LogMsgId _id, unsigned port, LogMsgSessionId sessio
     processID = GetCurrentProcessId();
     threadID = threadLogID();
     sessionID = session;
+#ifdef INCLUDE_LOGMSGSYSINFO_NODE
     node.setLocalHost(port);
+#endif
 }
 
 void LogMsgSysInfo::serialize(MemoryBuffer & out) const