Fix parsing of std::unordered_set.

GitOrigin-RevId: 6c946161748c71b36382c20e7bacac1299b4b9a8

td/telegram/files/FileLocation.h

@@ -310,6 +310,7 @@ struct PartialRemoteFileLocation {
   int32 part_size_;
   int32 ready_part_count_;
   int32 is_big_;
+
   template <class StorerT>
   void store(StorerT &storer) const {
     using td::store;

tdutils/td/utils/tl_helpers.h

@@ -158,8 +158,8 @@ void parse(std::unordered_set<Key, Hash, KeyEqual, Allocator> &s, ParserT &parse
     return;
   }
   s.clear();
-  Key val;
   for (uint32 i = 0; i < size; i++) {
+    Key val;
     parse(val, parser);
     s.insert(std::move(val));
   }