qemu: snapshots: Simplify REDEFINE flag check
qemu: snapshots: Simplify REDEFINE flag check

Makes things more readable IMO

agx/libvirt,rlaager/libvirt,VenkatDatta/libvirt,elmarco/libvirt,shugaoye/libvirt,taget/libvirt,VenkatDatta/libvirt,fabianfreyer/libvirt,elmarco/libvirt,rlaager/libvirt,datto/libvirt,olafhering/libvirt,olafhering/libvirt,rlaager/libvirt,agx/libvirt,shugaoye/libvirt,agx/libvirt,libvirt/libvirt,crobinso/libvirt,crobinso/libvirt,jfehlig/libvirt,nertpinx/libvirt,VenkatDatta/libvirt,fabianfreyer/libvirt,jfehlig/libvirt,eskultety/libvirt,zhlcindy/libvirt-1.1.4-maintain,elmarco/libvirt,eskultety/libvirt,nertpinx/libvirt,taget/libvirt,cbosdo/libvirt,jardasgit/libvirt,datto/libvirt,crobinso/libvirt,VenkatDatta/libvirt,zippy2/libvirt,fabianfreyer/libvirt,cbosdo/libvirt,andreabolognani/libvirt,andreabolognani/libvirt,elmarco/libvirt,shugaoye/libvirt,zippy2/libvirt,zhlcindy/libvirt-1.1.4-maintain,VenkatDatta/libvirt,agx/libvirt,jardasgit/libvirt,elmarco/libvirt,rlaager/libvirt,datto/libvirt,taget/libvirt,libvirt/libvirt,zhlcindy/libvirt-1.1.4-maintain,olafhering/libvirt,libvirt/libvirt,jardasgit/libvirt,eskultety/libvirt,shugaoye/libvirt,taget/libvirt,olafhering/libvirt,zhlcindy/libvirt-1.1.4-maintain,jardasgit/libvirt,andreabolognani/libvirt,cbosdo/libvirt,agx/libvirt,datto/libvirt,andreabolognani/libvirt,eskultety/libvirt,zippy2/libvirt,taget/libvirt,cbosdo/libvirt,zhlcindy/libvirt-1.1.4-maintain,jfehlig/libvirt,crobinso/libvirt,fabianfreyer/libvirt,zippy2/libvirt,jardasgit/libvirt,andreabolognani/libvirt,cbosdo/libvirt,nertpinx/libvirt,nertpinx/libvirt,libvirt/libvirt,fabianfreyer/libvirt,datto/libvirt,rlaager/libvirt,jfehlig/libvirt,eskultety/libvirt,shugaoye/libvirt,nertpinx/libvirt