Only load old page_restrictions field if $oldFashionedRestrictions is really null...

diff --git a/includes/Title.php b/includes/Title.php
index d08a2c4..d1a035d 100644 (file)
--- a/includes/Title.php
+++ b/includes/Title.php
@@ -1693,7 +1693,7 @@ class Title {
 
                # Backwards-compatibility: also load the restrictions from the page record (old format).
 
-               if ( $oldFashionedRestrictions == NULL ) {
+               if ( $oldFashionedRestrictions === NULL ) {
                        $oldFashionedRestrictions = $dbr->selectField( 'page', 'page_restrictions', array( 'page_id' => $this->getArticleId() ), __METHOD__ );
                }