MFC 7976 Fix "No interfaces supported" error when finishing shaper with no items selected.
MFC 7976
Fix "No interfaces supported" error when finishing shaper with no items selected.

dennypage/pfsense,NewEraCracker/pfsense,NOYB/pfsense,ch1c4um/pfsense,pfsense/pfsense,phil-davis/pfsense,dennypage/pfsense,NewEraCracker/pfsense,phil-davis/pfsense,ptorsten/pfsense,ptorsten/pfsense,BlackstarGroup/pfsense,ch1c4um/pfsense,NOYB/pfsense,jxmx/pfsense,ptorsten/pfsense,pfsense/pfsense,dennypage/pfsense,pfsense/pfsense,NOYB/pfsense,ch1c4um/pfsense,brunostein/pfsense,jxmx/pfsense,BlackstarGroup/pfsense,NewEraCracker/pfsense,BlackstarGroup/pfsense,NewEraCracker/pfsense,BlackstarGroup/pfsense,ch1c4um/pfsense,dennypage/pfsense,jxmx/pfsense,pfsense/pfsense,brunostein/pfsense,phil-davis/pfsense,phil-davis/pfsense,brunostein/pfsense