Don't invoke -pointerValue on non-pointer NSValues
Don't invoke -pointerValue on non-pointer NSValues

This fixes a segfault when comparisons between geometric NSValues fail.

PatrykKaczmarek/expecta,Bogon/expecta,PatrykKaczmarek/expecta,modocache/expecta,iosdev-republicofapps/expecta,jmburges/expecta,iguchunhui/expecta,jmburges/expecta,Lightricks/expecta,tonyarnold/expecta,Lightricks/expecta,ashfurrow/expecta,Bogon/expecta,suxinde2009/expecta,udemy/expecta,ashfurrow/expecta,jmoody/expecta,tonyarnold/expecta,suxinde2009/expecta,jmoody/expecta,jmburges/expecta,iguchunhui/expecta,iosdev-republicofapps/expecta,PatrykKaczmarek/expecta,ashfurrow/expecta,tonyarnold/expecta,jmoody/expecta,jmoody/expecta,iosdev-republicofapps/expecta,specta/expecta,jmburges/expecta,modocache/expecta,udemy/expecta,tonyarnold/expecta,wessmith/expecta,modocache/expecta,PatrykKaczmarek/expecta,wessmith/expecta,modocache/expecta,iosdev-republicofapps/expecta,ashfurrow/expecta