add functions to 550-bind_dnssec.inc.php (see https://www.howtoforge.com/community/threads/dnssec-problem-expire-too-soon-ispconfig-3-1.74682/#post-351381)

Author: florian030

server/lib/classes/cron.d/550-bind_dnssec.inc.php

@@ -35,6 +35,23 @@ class cronjob_bind_dnssec extends cronjob {
 
 	// job schedule
 	protected $_schedule = '30 3 * * *'; //daily at 3:30 a.m.
+	protected $_run_at_new = true;
+
+	private $_tools = null;
+
+	/* this function is optional if it contains no custom code */
+	public function onPrepare() {
+		global $app;
+
+		parent::onPrepare();
+	}
+
+	/* this function is optional if it contains no custom code */
+	public function onBeforeRun() {
+		global $app;
+
+		return parent::onBeforeRun();
+	}
 
 	private function increase_serial($serial){
 		global $app, $conf;
@@ -84,6 +101,13 @@ public function onRunJob() {
 		parent::onRunJob();
 	}
 
+	/* this function is optional if it contains no custom code */
+	public function onAfterRun() {
+		global $app;
+
+		parent::onAfterRun();
+	}
+
 }
 
-?>
+?>