Drupal 7 Simple pie library Not installed

From drupal’s administration status report page I had this message : “The SimplePie library was not found”.
Thanks to this link I manage to install it. Here’s what I did :
1) download simplepie_1.3.1.compiled.php from http://simplepie.org/downloads/

2) Upload simplepie_1.3.1.compiled.php to /sites/all/modules/feeds/libraries
3) Rename file from simplepie_1.3.1.compiled.php to simplepie.compiled.php

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