Fix add subnet/gateway. closes #2269
Fix add subnet/gateway. closes #2269

Conflicts:
	inc/inventorycomputerlib.class.php

mohierf/fusioninventory-for-glpi,itinside/fusioninventory-for-glpi,mohierf/fusioninventory-for-glpi,orthagh/fusioninventory-for-glpi,orthagh/fusioninventory-for-glpi,mohierf/fusioninventory-for-glpi,dethegeek/fusioninventory-for-glpi,itinside/fusioninventory-for-glpi,TECLIB/fusioninventory-for-glpi,fusioninventory/fusioninventory-for-glpi,orthagh/fusioninventory-for-glpi,itinside/fusioninventory-for-glpi,TECLIB/fusioninventory-for-glpi,dethegeek/fusioninventory-for-glpi,itinside/fusioninventory-for-glpi,fusioninventory/fusioninventory-for-glpi,fusioninventory/fusioninventory-for-glpi,TECLIB/fusioninventory-for-glpi,fusioninventory/fusioninventory-for-glpi,mohierf/fusioninventory-for-glpi,fusioninventory/fusioninventory-for-glpi,fusioninventory/fusioninventory-for-glpi,dethegeek/fusioninventory-for-glpi,mohierf/fusioninventory-for-glpi,dethegeek/fusioninventory-for-glpi,itinside/fusioninventory-for-glpi,mohierf/fusioninventory-for-glpi,TECLIB/fusioninventory-for-glpi,TECLIB/fusioninventory-for-glpi,orthagh/fusioninventory-for-glpi,TECLIB/fusioninventory-for-glpi,orthagh/fusioninventory-for-glpi