FilterException: extend IcingaException

refs #6931

library/Icinga/Data/Filter/FilterException.php

@@ -4,11 +4,11 @@
 
 namespace Icinga\Data\Filter;
 
-use Exception;
+use Icinga\Exception\IcingaException;
 
 /**
  * Filter Exception Class
  *
  * Filter Exceptions should be thrown on filter parse errors or similar
  */
-class FilterException extends Exception {}
+class FilterException extends IcingaException {}