vbox: fix a bug in _machineStateInactive
vbox: fix a bug in _machineStateInactive

This function returned non-inactive domains instead of active
domains.  This broke virConnectNumOfDefinedDomains() and
virConnectListDefinedDomains() functions.

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