From 3eb11888e97b11aeb6dc75a2376db2af28d24050 Mon Sep 17 00:00:00 2001
From: umherirrender <umherirrender_de.wp@web.de>
Date: Thu, 29 Jan 2015 20:54:06 +0100
Subject: [PATCH] Handle invalid grouppage on Special:Statistics

Passing null to Linker::link gives warning on the side

Change-Id: Ibee9eb039e88c23ba38ff6594f449316b22ecba6
---
 includes/specials/SpecialStatistics.php | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/includes/specials/SpecialStatistics.php b/includes/specials/SpecialStatistics.php
index 44290220ef..1f339d1ed0 100644
--- a/includes/specials/SpecialStatistics.php
+++ b/includes/specials/SpecialStatistics.php
@@ -199,10 +199,16 @@ class SpecialStatistics extends SpecialPage {
 				$grouppageLocalized = $msg->text();
 			}
 			$linkTarget = Title::newFromText( $grouppageLocalized );
-			$grouppage = Linker::link(
-				$linkTarget,
-				htmlspecialchars( $groupnameLocalized )
-			);
+
+			if ( $linkTarget ) {
+				$grouppage = Linker::link(
+					$linkTarget,
+					htmlspecialchars( $groupnameLocalized )
+				);
+			} else {
+				$grouppage = htmlspecialchars( $groupnameLocalized );
+			}
+
 			$grouplink = Linker::linkKnown(
 				SpecialPage::getTitleFor( 'Listusers' ),
 				$this->msg( 'listgrouprights-members' )->escaped(),
-- 
2.20.1