added missing globals

lib/lazy/web-lazy-loader-after.js

@@ -18,7 +18,7 @@
  *   along with SingleFile.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-/* global window, requestAnimationFrame, scrollBy, Element, document, dispatchEvent, UIEvent */
+/* global window, requestAnimationFrame, scrollBy, Element, document, dispatchEvent, UIEvent, clearTimeout */
 
 (() => {
 

lib/single-file/util/timeout.js

@@ -18,6 +18,8 @@
  *   along with SingleFile.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+/* global setTimeout, clearTimeout */
+
 this.timeout = this.timeout || (() => {
 
 	const TIMEOUT_STEP = 100;