Fix curl download instructions

curl needs to follow redirects in order to fetch the raw file.

Author: mislav

README.md

@@ -101,7 +101,7 @@ Or add `jquery-pjax` to your apps `bower.json`.
 pjax can be downloaded directly into your app's public directory - just be sure you've loaded jQuery first.
 
 ```
-curl -O https://raw.github.com/defunkt/jquery-pjax/master/jquery.pjax.js
+curl -LO https://raw.github.com/defunkt/jquery-pjax/master/jquery.pjax.js
 ```
 
 **WARNING** Do not hotlink the raw script url. GitHub is not a CDN.