Rename

src/library/entry.cr

@@ -190,7 +190,7 @@ class Entry
     [false, true].each do |ascend|
       sorted_entries_cache_key = SortedEntriesCacheEntry.gen_key @book.id,
         username, @book.entries, SortOptions.new(SortMethod::Progress, ascend)
-      SortedEntriesCache.invalidate sorted_entries_cache_key
+      LRUCache.invalidate sorted_entries_cache_key
     end
 
     TitleInfo.new @book.dir do |info|