Distribute nwfilter xml files and add them to rpm

* examples/xml/nwfilter/Makefile.am: add all xml to the distribution
* libvirt.spec.in: reference them from the rpm spec file to have them
  available in the main libvirt package

examples/xml/nwfilter/Makefile.am

@@ -13,6 +13,8 @@ FILTERS = \
 	no-mac-spoofing.xml \
 	no-other-l2-traffic.xml
 
+EXTRA_DIST=$(FILTERS)
+
 confdir = $(sysconfdir)/libvirt
 
 NWFILTER_DIR = "$(DESTDIR)$(sysconfdir)/libvirt/nwfilter"

libvirt.spec.in

@@ -670,6 +670,9 @@ fi
 %dir %attr(0700, root, root) %{_sysconfdir}/libvirt/qemu/networks/autostart
 %endif
 
+%dir %attr(0700, root, root) %{_sysconfdir}/libvirt/nwfilter/
+%{_sysconfdir}/libvirt/nwfilter/*.xml
+
 %{_sysconfdir}/rc.d/init.d/libvirtd
 %config(noreplace) %{_sysconfdir}/sysconfig/libvirtd
 %config(noreplace) %{_sysconfdir}/libvirt/libvirtd.conf