[perl6/specs] b3ccbd: sink returns (), not Nil

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/perl6/specs
  Commit: b3ccbd1e768ae87813a43de6880fbc3c6357040d
      
https://github.com/perl6/specs/commit/b3ccbd1e768ae87813a43de6880fbc3c6357040d
  Author: Larry Wall <la...@wall.org>
  Date:   2012-02-16 (Thu, 16 Feb 2012)

  Changed paths:
    M S02-bits.pod

  Log Message:
  -----------
  sink returns (), not Nil