Declared variable "h" (event.js)

Closed: https://forums.zoneminder.com/viewtopic.php?p=135715&sid=593ae02225002db4f98a48b0ae3e8e18#p135715

web/skins/classic/views/js/event.js

@@ -318,7 +318,7 @@ function changeScale() {
     currentScale = newSize.autoScale;
   } else if (scaleSel.indexOf("px") > -1) {
     newSize = scaleToFit(eventData.Width, eventData.Height, eventViewer, false, $j('#wrapperEventVideo')); // Only for calculating the maximum width!
-    let w = h = '';
+    let w, h = w = '';
     if (landscape) {
       w = Math.min(stringToNumber(scaleSel), newSize.width);
       h = w / (eventData.Width / eventData.Height);