Modified scope of endpoint variable to fix a bug

worker.js

@@ -50,7 +50,7 @@ async function handleRequest(request) {
 
  config = JSON.parse(config)
  try {
- let endpoint = config[product]['endpoint']
+ var endpoint = config[product]['endpoint']
  }
  catch (e) {
  return new Response(`You tried to access a mirror we don't yet maintain. Please send your request to [email protected]`, {
@@ -59,7 +59,7 @@ async function handleRequest(request) {
  }
  })
  }
- 
+
  return new Response(endpoint, {
  headers: {
  'Content-Type': 'text/plain'