title: Brew could not link jpeg
body: <p>I'm getting this error when I tried to install PIL on my osx lion - </p>
  
  <p><em>"You must `brew link jpeg' before pil can be installed"</em></p>
  
  <p>So I followed that instruction, but got another error instead - </p>
  
  <p><em>"Linking /usr/local/Cellar/jpeg/8d... Warning: Could not link jpeg. Unlinking...
  Error: Could not symlink file: /usr/local/Cellar/jpeg/8d/bin/wrjpgcom
  Target /usr/local/bin/wrjpgcom already exists. You may need to delete it.
  To force the link and delete this file, do:"</em></p>
  
  <p>I found a post in the site - <a href="https://superuser.com/questions/402032/brew-link-jpeg-issues">https://superuser.com/questions/402032/brew-link-jpeg-issues</a> - but doesn't solve my problem. Can anyone tell me how can I resolve this issue?</p>