Fix SimplePie_Cache_DB not found error
Fix SimplePie_Cache_DB not found error

In compiled version and error is thrown "Class 'SimplePie_Cache_DB' not
found"

- Run `sort` on files returned before concatinate into compiled file

skyzyx/simplepie,simplepie/simplepie,Alkarex/simplepie,FreshRSS/simplepie,Alkarex/simplepie,FreshRSS/simplepie,Alkarex/simplepie,simplepie/simplepie,mblaney/simplepie,skyzyx/simplepie,mblaney/simplepie