Changed the URL for C for Python Programmers by Carl Burch (#6519)

* Update free-programming-books-langs.md

* Update free-programming-books-langs.md

* Changed the position of author name

books/free-programming-books-langs.md

@@ -427,7 +427,7 @@ That section got so big, we decided to split it into its own file, the [BY SUBJE
 * [Beej's Guide to the GNU Debugger (GDB)](http://beej.us/guide/bggdb/) - B. Hall (HTML)
 * [Build Your Own Lisp](http://www.buildyourownlisp.com) - Daniel Holden
 * [C Elements of Style](http://www.oualline.com/books.free/style/) - Steve Oualline
-* [C for Python Programmers - Carl Burch](http://www.toves.org/books/cpy/)
+* [C for Python Programmers](http://www.cburch.com/books/cpy/) - Carl Burch
 * [C Notes for Professionals](https://goalkicker.com/CBook) - Compiled from StackOverflow Documentation (PDF)
 * [C Programming](https://en.wikibooks.org/wiki/Programming%3AC) - Wikibooks
 * [C Programming Boot Camp - Paul Gribble](https://gribblelab.org/teaching/CBootCamp/)