Fix undefined variable in SpecialMergeHistory

Bug: T96026
Change-Id: I7fa9fbd279dd6ec71f18614376386c1e2cad9728

diff --git a/includes/specials/SpecialMergeHistory.php b/includes/specials/SpecialMergeHistory.php
index 368d491..b6cf8e4 100644 (file)
--- a/includes/specials/SpecialMergeHistory.php
+++ b/includes/specials/SpecialMergeHistory.php
@@ -152,7 +152,7 @@ class SpecialMergeHistory extends SpecialPage {
 
                if ( count( $errors ) ) {
                        $this->showMergeForm();
 
                if ( count( $errors ) ) {
                        $this->showMergeForm();

-                       $out->addHTML( implode( "\n", $errors ) );
+                       $this->getOutput()->addHTML( implode( "\n", $errors ) );

                } else {
                        $this->showHistory();
                }
                } else {
                        $this->showHistory();
                }