Fix `does` → `do` verbal agreement in special_forms.ex
Fix `does` → `do` verbal agreement in special_forms.ex

michalmuskala/elixir,elixir-lang/elixir,gfvcastro/elixir,lexmag/elixir,pedrosnk/elixir,kelvinst/elixir,beedub/elixir,lexmag/elixir,kimshrier/elixir,antipax/elixir,kimshrier/elixir,beedub/elixir,joshprice/elixir,pedrosnk/elixir,ggcampinho/elixir,gfvcastro/elixir,antipax/elixir,ggcampinho/elixir,kelvinst/elixir