Add ofd() to OSX plugin to open finder on current directory (#5164)
Add ofd() to OSX plugin to open finder on current directory (#5164)

* Add ofd() to OSX plugin to open finder on current directory

* Change `pwd` to $PWD in osx.plugin.zsh
  Suggested by mcornella

xiaogaozi/oh-my-zsh,xiaogaozi/oh-my-zsh