Fix NPE
Fix NPE

If '-output' is left out of the cli arguments, and no '-load-config' is specified, an uncaught NPE was thrown

Signed-off-by: Erik de Bruin <c195b508e6f0c57aeafdb5e96947e2b79e6a4b40@ixsoftware.nl>

greg-dove/flex-falcon,greg-dove/flex-falcon,greg-dove/flex-falcon,greg-dove/flex-falcon,adufilie/flex-falcon,adufilie/flex-falcon,adufilie/flex-falcon,adufilie/flex-falcon