Set perms on /var/lib/libvirt/boot to 0711

Allow qemu user to open kernel/initrds in this dir, but still prevent
others from listing it.

* libvirt.spec.in: set /var/lib/libvirt/boot perms to 0711

libvirt.spec.in

@@ -490,7 +490,7 @@ fi
 
 %dir %{_localstatedir}/lib/libvirt/
 %dir %attr(0711, root, root) %{_localstatedir}/lib/libvirt/images/
-%dir %attr(0700, root, root) %{_localstatedir}/lib/libvirt/boot/
+%dir %attr(0711, root, root) %{_localstatedir}/lib/libvirt/boot/
 %dir %attr(0700, root, root) %{_localstatedir}/cache/libvirt/
 
 %if %{with_qemu}