muninlite: Enable the df plugin again and fix parsing disk usage

Closes: #1926

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Jonathan McCrohan <jmccrohan@gmail.com>

admin/muninlite/Makefile

@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=muninlite
 PKG_VERSION:=1.0.4
-PKG_RELEASE:=6
+PKG_RELEASE:=7
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=@SF/$(PKG_NAME)

admin/muninlite/patches/001-fix_disks.patch

@@ -0,0 +1,10 @@
+--- a/plugins/df	2015-11-07 17:05:46.000000000 +0100
++++ b/plugins/df	2015-11-07 17:05:49.183925905 +0100
+@@ -19,6 +19,6 @@
+   do
+     PINFO=$(df -P $PART | tail -1);
+     PNAME=$(echo $PINFO | cut -d\  -f1 | sed 's/[\/.-]/_/g')
+-    echo "$PNAME.value" $(echo $PINFO | cut -f5 -d\  | sed -e 's/\%//g')
++    echo "$PNAME.value" $(echo $PINFO | sed -e 's/\%//g' -e 's/  */ /g' | cut -f5 -d' ')
+   done
+ }

admin/muninlite/patches/001-no_disks.patch

@@ -1,12 +0,0 @@
---- a/Makefile
-+++ b/Makefile
-@@ -1,7 +1,7 @@
- 
- 
--PLUGINS=df cpu if_ if_err_ load memory processes swap netstat uptime interrupts irqstats ntpdate plugindir_
--#PLUGINS=cpu if_ if_err_ load memory processes netstat uptime interrupts irqstats
-+#PLUGINS=df cpu if_ if_err_ load memory processes swap netstat uptime interrupts irqstats ntpdate plugindir_
-+PLUGINS=cpu if_ if_err_ load memory processes netstat uptime interrupts irqstats
- 
- munin-node: plugins/* munin-node.conf
- 	@VERSION=$$(cat VERSION); \