Add missing % on %{_libdir} macro in RPM

Signed-off-by: NDaniel P. Berrange <berrange@redhat.com>

libvirt.spec.in

@@ -1957,7 +1957,7 @@ exit 0
 %dir %attr(0750, %{qemu_user}, %{qemu_group}) %{_localstatedir}/cache/libvirt/qemu/
 %{_datadir}/augeas/lenses/libvirtd_qemu.aug
 %{_datadir}/augeas/lenses/tests/test_libvirtd_qemu.aug
-{_libdir}/%{name}/connection-driver/libvirt_driver_qemu.so
+%{_libdir}/%{name}/connection-driver/libvirt_driver_qemu.so
         %endif
 
         %if %{with_lxc}