Index: wp-includes/functions-post.php
===================================================================
--- wp-includes/functions-post.php      (revision 2407)
+++ wp-includes/functions-post.php      (working copy)
@@ -141,7 +141,7 @@
        $result = $wpdb->query($sql);
        $rows_affected = $wpdb->rows_affected;
 
-       wp_set_post_cats('', $ID, $post_category)
+       wp_set_post_cats('', $ID, $post_category);
 
        do_action('edit_post', $ID)