[en] Sorting iOS section

free-programming-books.md

@@ -910,9 +910,9 @@
 
 
 ###iOS
+* [Cocoa Dev Central](http://cocoadevcentral.com/)
 * [iOS Succinctly, Syncfusion](http://www.syncfusion.com/resources/techportal/ebooks/ios) (PDF, Kindle) *(Just fill the fields with any values)*
 * [Start Developing iOS Apps Today](https://developer.apple.com/library/ios/referencelibrary/GettingStarted/RoadMapiOS/RoadMapiOS.pdf) (PDF)
-* [Cocoa Dev Central](http://cocoadevcentral.com/)
 
 
 ###Isabelle/HOL