[perl6/specs] da6c65: Oops, forgot one Testable -> FileTestable

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/perl6/specs
  Commit: da6c654e7c58dd3358a93e83ef961542b94b357a
      
https://github.com/perl6/specs/commit/da6c654e7c58dd3358a93e83ef961542b94b357a
  Author: Elizabeth Mattijsen <l...@dijkmat.nl>
  Date:   2014-09-23 (Tue, 23 Sep 2014)

  Changed paths:
    M S16-io.pod

  Log Message:
  -----------
  Oops, forgot one Testable -> FileTestable