SpecialUndelete: Don't try to add a form to the page unless it exists

Bug: T171523
Change-Id: I1083ce168797a698c76c3fdff4eac06edfb0ac6a

diff --git a/includes/specials/SpecialUndelete.php b/includes/specials/SpecialUndelete.php
index 810f8fb..39904b0 100644 (file)
--- a/includes/specials/SpecialUndelete.php
+++ b/includes/specials/SpecialUndelete.php
@@ -858,11 +858,12 @@ class SpecialUndelete extends SpecialPage {
                        $misc = Html::hidden( 'target', $this->mTarget );
                        $misc .= Html::hidden( 'wpEditToken', $this->getUser()->getEditToken() );
                        $history .= $misc;
-               }
-
-               $form->appendContent( new OOUI\HtmlSnippet( $history ) );
 
-               $out->addHTML( $form );
+                       $form->appendContent( new OOUI\HtmlSnippet( $history ) );
+                       $out->addHTML( $form );
+               } else {
+                       $out->addHTML( $history );
+               }
 
                return true;
        }