fix: fix properly listening for end of request

fixes #55

this was happening due to a new change with miniget v2.1.0

Author: fent

lib/feedsub.js

@@ -290,15 +290,18 @@ module.exports = class FeedReader extends EventEmitter {
 
       req.pipe(parser);
 
-      req.on('end', () => {
+      const onEnd = () => {
         if (ended) { return; }
         // Process items in descending order if no order found at end.
         if (sortOrder === 0 && newItems.length === 0) {
           items.forEach(getOlderItem);
         }
         success();
         this.first = false;
-      });
+      };
+
+      req.on('close', onEnd);
+      req.on('end', onEnd);
     });
 
     req.on('error', error.bind(null, false));