fs: Fix what appears to be a typo (filename_size / file_size)

src/core/hle/service/fs/fs_user.cpp

@@ -250,7 +250,7 @@ static void CreateFile(Service::Interface* self) {
 
     FileSys::Path file_path(filename_type, filename_size, filename_ptr);
 
-    LOG_DEBUG(Service_FS, "type=%d size=%llu data=%s", filename_type, filename_size, file_path.DebugStr().c_str());
+    LOG_DEBUG(Service_FS, "type=%d size=%llu data=%s", filename_type, file_size, file_path.DebugStr().c_str());
 
     cmd_buff[1] = CreateFileInArchive(archive_handle, file_path, file_size).raw;
 }