collectd: Enable tail_csv plugin

Enable tail_csv plugin that "follows" (tails) and parses CSV files.
Compile-tested with ar71xx.
This closes #3083

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

utils/collectd/Makefile

@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=collectd
 PKG_VERSION:=5.5.2
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
 PKG_SOURCE_URL:=http://collectd.org/files/
@@ -140,6 +140,7 @@ COLLECTD_PLUGINS_SELECTED:= \
 	syslog \
 	table \
 	tail \
+	tail_csv \
 	tcpconns \
 	teamspeak2 \
 	ted \
@@ -350,6 +351,7 @@ $(eval $(call BuildPlugin,sensors,lm_sensors input,sensors,+PACKAGE_collectd-mod
 $(eval $(call BuildPlugin,snmp,SNMP input,snmp,+PACKAGE_collectd-mod-snmp:libnetsnmp))
 $(eval $(call BuildPlugin,syslog,syslog output,syslog,))
 $(eval $(call BuildPlugin,tail,tail input,tail,))
+$(eval $(call BuildPlugin,tail-csv,tail CSV input,tail_csv,))
 $(eval $(call BuildPlugin,table,table-like structured file input,table,))
 $(eval $(call BuildPlugin,teamspeak2,TeamSpeak2 input,teamspeak2,))
 $(eval $(call BuildPlugin,ted,The Energy Detective input,ted,@((!TARGET_avr32)||BROKEN))) # fails on avr32 because of warnings treated as errors