Avoid undefined variable error on null edits

diff --git a/includes/Article.php b/includes/Article.php
index 47d091f..c87bdd5 100644 (file)
--- a/includes/Article.php
+++ b/includes/Article.php
@@ -1309,6 +1309,7 @@ class Article {
                $oldsize = strlen( $oldtext );
                $newsize = strlen( $text );
                $lastRevision = 0;
+               $revisionId = 0;
 
                if ( 0 != strcmp( $text, $oldtext ) ) {
                        $this->mGoodAdjustment = $this->isCountable( $text )