fixed two missing globals ;-(

server/lib/classes/monitor_tools.inc.php

@@ -1070,6 +1070,7 @@ class monitor_tools {
 	}
 
 	public function monitorSysLog() {
+		global $app;
 		global $conf;
 
 		/* the id of the server as int */

server/mods-available/monitor_core_module.inc.php

@@ -76,6 +76,7 @@ class monitor_core_module {
 	 */
 	// TODO: what monitoring is done should be a config-var
 	private function _doMonitor() {
+		global $app;
 		/*
 		 * We need the tools in almost every method, so initialize them once...
 		 */