Fixed error in Ruby 1.9.
Fixed error in Ruby 1.9.

jegtnes/dotfiles,constantx/dotfiles,megabytemb/dotfiles,juanxo/dotfiles,megabytemb/dotfiles,constantx/dotfiles,werme/dotfiles,werme/dotfiles,megabytemb/dotfiles,narze/holman-dotfiles,constantx/dotfiles,baer/dotfiles-old,azalea/dotfiles,juanxo/dotfiles,Dextro/dotfiles,narze/holman-dotfiles,constantx/dotfiles,WideEyeLabs/dotfiles,polymetis/dotfiles,baer/dotfiles-old,WideEyeLabs/dotfiles,juanxo/dotfiles,WideEyeLabs/dotfiles,polymetis/dotfiles,megabytemb/dotfiles,narze/holman-dotfiles,polymetis/dotfiles,WideEyeLabs/dotfiles,narze/holman-dotfiles,constantx/dotfiles,narze/holman-dotfiles,narze/holman-dotfiles,megabytemb/dotfiles,Dextro/dotfiles,baer/dotfiles-old,azalea/dotfiles,jegtnes/dotfiles