lisp/ox-html.el (org-html-scripts): Fix missing curly bracket

* lisp/ox-html.el (org-html-scripts): Fix missing curly bracket.

Reported-by: Sebastian Berntsson <sebastian@ilait.se>
Link: https://orgmode.org/list/21ac82d9-91a5-fbdf-c22c-302f28d58ebe@ilait.se/

lisp/ox-html.el

@@ -249,6 +249,7 @@ property on the headline itself.")
        if(null != target) {
          elem.classList.remove(\"code-highlighted\");
          target.classList.remove(\"code-highlighted\");
+       }
      }
     /*]]>*///-->
 // @license-end