readme: replace dyncall with libffi
@@ -91,7 +91,7 @@ Criterion is built with the following projects:
* [boxfort](https://github.com/diacritic/BoxFort)
* [debugbreak](https://github.com/scottt/debugbreak)
-* [dyncall](http://www.dyncall.org/)
+* [libffi](https://sourceware.org/libffi/)
* [klib](http://attractivechaos.github.io/klib/)
* [libcsptr](https://github.com/Snaipe/libcsptr)
* [nanomsg](http://nanomsg.org/)
