fixed type (Fixes: #4445)

Author: florian030

server/lib/classes/cron.d/100-monitor_raid.inc.php

@@ -178,7 +178,7 @@ public function onRunJob() {
 		if($retval === 0) {
 
 			// TYPOWORX FIX | Determine Controler-ID
-			$availableControlers = shell_exec('tw_cli info | grep -Eo "c[0-9]+');
+			$availableControlers = shell_exec('tw_cli info | grep -Eo "c[0-9]+"');
 			$data['output'] = shell_exec('tw_cli info ' . $availableControlers);
 
 			$state = 'ok';