apparmor: allow reading cap_last_cap
apparmor: allow reading cap_last_cap

libcap-ng >= 0.7.4 fails when it can't read /sys/kernel/cap_last_cap
and thus running a qemu guest fails.

Allow reading cap_last_cap in the libvirt-qemu apparmor abstraction.

Signed-off-by: Michal Privoznik <83d82aaba2eed257f4814b0c239c260c4caaadf0@redhat.com>

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