[perl6/specs] a7170a: no need to set $! if we're rethrowing past it

[noreply]

  Branch: refs/heads/master
  Home:   https://github.com/perl6/specs

  Commit: a7170aa66ebf2f53a3f2079683a8e82f19aad946
      
https://github.com/perl6/specs/commit/a7170aa66ebf2f53a3f2079683a8e82f19aad946
  Author: Larry Wall <la...@wall.org>
  Date:   2011-08-05 (Fri, 05 Aug 2011)

  Changed paths:
    M S04-control.pod

  Log Message:
  -----------
  no need to set $! if we're rethrowing past it