Fix doc comment for File.cp_r
Fix doc comment for File.cp_r

In fact IO.gets always returns a line ended by a LF symbol in such the cases. So we have to take this into account when comparing user input with a target string.

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