Address ruby warnings.

For rspec/rspec-support#106.
Exactly.

Sent from my iPhone

> On Aug 27, 2014, at 2:05 AM, Jon Rowe <notifications@github.com> wrote:
> 
> In spec/spec_helper.rb:
> 
> > @@ -4,7 +4,9 @@
> >    minimum_coverage 97
> >  end
> >  
> > -Dir['./spec/support/**/*'].each {|f| require f}
> > +Dir['./spec/support/**/*'].each do |f|
> > +  require f.sub(%r{\./spec/}, '')
> > +end
> Because the spec folders on the load path right? Prevent double require?
> 
> —
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