task-xfce-extended: add xfce4-genmon-plugin

Signed-off-by: Andreas Müller <schnitzeltony@googlemail.com>
Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>

meta-xfce/recipes-xfce/tasks/task-xfce-extended.bb

@@ -3,6 +3,8 @@ SECTION = "x11/wm"
 LICENSE = "MIT"
 LIC_FILES_CHKSUM = "file://${COREBASE}/LICENSE;md5=3f40d7994397109285ec7b81fdeb3b58"
 
+PR = "r1"
+
 inherit task
 
 # mandatory
@@ -30,6 +32,7 @@ RRECOMMENDS_${PN} = " \
     xfce4-clipman-plugin \
     xfce4-diskperf-plugin \
     xfce4-netload-plugin \
+    xfce4-genmon-plugin \
     \
     xfce4-appfinder \
     xfce4-screenshooter \