Add munin to /etc/services

The muninlite postinst fails to add munin to /etc/services.

This patch removes this broken postinst and add an entry for munin in
/etc/services. This should have been done when the rest of the
/etc/services postinsts were being removed (changesets 26142-26149).

Signed-off-by: Jonathan McCrohan <jmccrohan@gmail.com>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@30982 3c298f89-4303-0410-b956-a3cf2f4a3e73

package/base-files/files/etc/services

@@ -124,6 +124,7 @@ iax		4569/tcp
 iax		4569/udp
 mtn		4691/tcp
 mtn		4691/udp
+munin		4949/tcp
 sip		5060/tcp
 sip		5060/udp
 sip-tls		5061/tcp