Do not pass parameter as reference

See comment in https://gerrit.wikimedia.org/r/#/c/318292/7/includes/EditPage.php

Change-Id: I98df04f5445dcc87a96cde157df13786414b8c3a

diff --git a/includes/EditPage.php b/includes/EditPage.php
index 39d9bd6..ca14864 100644 (file)
--- a/includes/EditPage.php
+++ b/includes/EditPage.php
@@ -4402,10 +4402,10 @@ HTML
        }
 
        /**
-        * @param OutputPage &$out
+        * @param OutputPage $out
         * @since 1.29
         */
-       protected function addExplainConflictHeader( OutputPage &$out ) {
+       protected function addExplainConflictHeader( OutputPage $out ) {
                $out->wrapWikiMsg( "<div class='mw-explainconflict'>\n$1\n</div>", 'explainconflict' );
        }