virsh: Make vshCommandOptScaledInt() use vshCommandOpt()
virsh: Make vshCommandOptScaledInt() use vshCommandOpt()

This aligns it to the other vshCommandOpt*() functions.

andreabolognani/libvirt,nertpinx/libvirt,andreabolognani/libvirt,agx/libvirt,agx/libvirt,olafhering/libvirt,fabianfreyer/libvirt,libvirt/libvirt,olafhering/libvirt,crobinso/libvirt,libvirt/libvirt,olafhering/libvirt,libvirt/libvirt,jfehlig/libvirt,taget/libvirt,andreabolognani/libvirt,eskultety/libvirt,jardasgit/libvirt,rlaager/libvirt,crobinso/libvirt,eskultety/libvirt,datto/libvirt,andreabolognani/libvirt,datto/libvirt,agx/libvirt,eskultety/libvirt,datto/libvirt,taget/libvirt,nertpinx/libvirt,taget/libvirt,datto/libvirt,jfehlig/libvirt,crobinso/libvirt,VenkatDatta/libvirt,jardasgit/libvirt,taget/libvirt,nertpinx/libvirt,jardasgit/libvirt,agx/libvirt,zippy2/libvirt,crobinso/libvirt,VenkatDatta/libvirt,zippy2/libvirt,zippy2/libvirt,nertpinx/libvirt,jardasgit/libvirt,rlaager/libvirt,andreabolognani/libvirt,eskultety/libvirt,VenkatDatta/libvirt,fabianfreyer/libvirt,fabianfreyer/libvirt,agx/libvirt,rlaager/libvirt,VenkatDatta/libvirt,VenkatDatta/libvirt,zippy2/libvirt,libvirt/libvirt,jardasgit/libvirt,eskultety/libvirt,jfehlig/libvirt,rlaager/libvirt,datto/libvirt,rlaager/libvirt,olafhering/libvirt,taget/libvirt,nertpinx/libvirt,fabianfreyer/libvirt,jfehlig/libvirt,fabianfreyer/libvirt