Martin von Zweigbergk <martinvonz@google.com> [Thu, 18 May 2017 22:47:42 -0700] rev 32426
largefiles: replace always() method, not _always field
We will soon have matchers that don't have an _always field, so
largefiles needs to stop assuming that they do. _always is only used
by always(), so we safely replace that method instead.