fix(multithreading): AccessControl-Public API calls don't need locks to be threadsafe

include/open62541/server.h

@@ -1352,14 +1352,14 @@ UA_Server_getNamespaceByName(UA_Server *server, const UA_String namespaceUri,
                              size_t* foundIndex);
 
 #ifdef UA_ENABLE_HISTORIZING
-UA_Boolean UA_EXPORT
+UA_Boolean UA_EXPORT UA_THREADSAFE
 UA_Server_AccessControl_allowHistoryUpdateUpdateData(UA_Server *server,
                                                      const UA_NodeId *sessionId, void *sessionContext,
                                                      const UA_NodeId *nodeId,
                                                      UA_PerformUpdateType performInsertReplace,
                                                      const UA_DataValue *value);
 
-UA_Boolean UA_EXPORT
+UA_Boolean UA_EXPORT UA_THREADSAFE
 UA_Server_AccessControl_allowHistoryUpdateDeleteRawModified(UA_Server *server,
                                                             const UA_NodeId *sessionId, void *sessionContext,
                                                             const UA_NodeId *nodeId,