convert validate/check functions

Signed-off-by: Michael Kaufmann <d00p@froxlor.org>

lib/Froxlor/Cron/Dns/DnsBase.php

@@ -47,14 +47,14 @@ abstract class DnsBase
 				$nameserver = trim($nameserver);
 				// DNS servers might be multi homed; allow transfer from all ip
 				// addresses of the DNS server
-				$nameserver_ips = gethostbynamel6($nameserver);
+				$nameserver_ips = \Froxlor\PhpHelper::gethostbynamel6($nameserver);
 				// append dot to hostname
 				if (substr($nameserver, - 1, 1) != '.') {
 					$nameserver .= '.';
 				}
 				// ignore invalid responses
 				if (! is_array($nameserver_ips)) {
-					// act like gethostbynamel6() and return unmodified hostname on error
+					// act like \Froxlor\PhpHelper::gethostbynamel6() and return unmodified hostname on error
 					$nameserver_ips = array(
 						$nameserver
 					);

lib/Froxlor/Cron/MasterCron.php

@@ -116,7 +116,7 @@ class MasterCron extends \Froxlor\Cron\FroxlorCron
 		 * so users in the database don't conflict with system users
 		 */
 		$cronlog->logAction(CRON_ACTION, LOG_NOTICE, 'Checking system\'s last guid');
-		checkLastGuid();
+		\Froxlor\System\Cronjob::checkLastGuid();
 
 		// shutdown cron
 		include_once \Froxlor\Froxlor::getInstallDir() . '/lib/cron_shutdown.php';