README: Added libxml2 to the list of prerequisites.

The libvirt plugin uses this library to parse data provided by libvirt.

Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>

diff --git a/README b/README
index 31a16ec..4f3c812 100644 (file)
--- a/README
+++ b/README
@@ -84,6 +84,9 @@ Features
     - libvirt
       CPU, disk and network I/O statistics from virtual machines.
 
+    - libxml2
+      Parse XML data provided by libvirt.
+
     - mbmon
       Motherboard sensors: temperature, fanspeed and voltage information,
       using mbmon(1).