Index: head/sysutils/ganglia-webfrontend/Makefile
===================================================================
--- head/sysutils/ganglia-webfrontend/Makefile
+++ head/sysutils/ganglia-webfrontend/Makefile
@@ -2,11 +2,11 @@
 
 PORTNAME=	ganglia
 PORTVERSION=	3.7.2
-PORTREVISION=	1
+PORTREVISION=	2
 CATEGORIES=	sysutils net parallel www
 PKGNAMESUFFIX=	-webfrontend
 
-MAINTAINER=	ports@FreeBSD.org
+MAINTAINER=	jwb@FreeBSD.org
 COMMENT=	Ganglia cluster monitor, web frontend
 
 LICENSE=	BSD3CLAUSE
Index: head/sysutils/ganglia-webfrontend/files/patch-cluster__view.php
===================================================================
--- head/sysutils/ganglia-webfrontend/files/patch-cluster__view.php
+++ head/sysutils/ganglia-webfrontend/files/patch-cluster__view.php
@@ -0,0 +1,11 @@
+--- cluster_view.php.orig	2018-09-20 22:57:59 UTC
++++ cluster_view.php
+@@ -23,7 +23,7 @@ if ($refresh) {
+ }
+ 
+ function get_picker_metrics($metrics, $reports, $gweb_root, $graph_engine) {
+-  $context_metrics = "";
++  $context_metrics = array();
+   if (count($metrics)) {
+     foreach ($metrics as $host_metrics) {
+       foreach ($host_metrics as $metric_name => $metric_value) {