adding rrdtool path
diff --git a/templates/config.pl.erb b/templates/config.pl.erb
index 20bb77d..04dd8d9 100644
--- a/templates/config.pl.erb
+++ b/templates/config.pl.erb
@@ -376,3 +376,4 @@
 ];
 $Conf{RunDir} = '';
 $Conf{SCGIServerPort} = 0;
+$Conf{RrdToolPath} = '/usr/bin/rrdtool';