Revert "collectd: disable nut plugin temporarily"

This reverts commit 97dbc515e5.

libgd has been been fixed to provide correct pkgconfig info,
so that nut again compiles in buildbot. Thus the nut plugin
can be re-enabled in collectd.

Signed-off-by: Hannu Nyman <hannu.nyman@iki.fi>

utils/collectd/Makefile

@@ -79,7 +79,6 @@ COLLECTD_PLUGINS_DISABLED:= \
 	notify_email \
 	notify_nagios \
 	numa \
-	nut \
 	onewire \
 	openldap \
 	openvz \
@@ -170,6 +169,7 @@ COLLECTD_PLUGINS_SELECTED:= \
 	network \
 	nginx \
 	ntpd \
+	nut \
 	olsrd \
 	openvpn \
 	ping \
@@ -406,7 +406,7 @@ $(eval $(call BuildPlugin,netlink,netlink input,netlink,+PACKAGE_collectd-mod-ne
 $(eval $(call BuildPlugin,network,network input/output,network,+PACKAGE_COLLECTD_ENCRYPTED_NETWORK:libgcrypt))
 $(eval $(call BuildPlugin,nginx,nginx status input,nginx,+PACKAGE_collectd-mod-nginx:libcurl))
 $(eval $(call BuildPlugin,ntpd,NTP daemon status input,ntpd,))
-#$(eval $(call BuildPlugin,nut,UPS monitoring input,nut,+PACKAGE_collectd-mod-nut:nut-common))
+$(eval $(call BuildPlugin,nut,UPS monitoring input,nut,+PACKAGE_collectd-mod-nut:nut-common))
 $(eval $(call BuildPlugin,olsrd,OLSRd status input,olsrd,))
 $(eval $(call BuildPlugin,openvpn,OpenVPN traffic/compression input,openvpn,))
 $(eval $(call BuildPlugin,ping,ping status input,ping,+PACKAGE_collectd-mod-ping:liboping))