Add another js-yaml trophy

Author: Yevgeny Pats

README.md

@@ -137,5 +137,6 @@ any unnecessary work is done.
 * [decompress: Crash/TypeError ](https://github.com/kevva/decompress/issues/72)
 * [qs: logic bug/inequality](https://github.com/ljharb/qs/issues/340)
 * [js-yaml: Crash/TypeError](https://github.com/nodeca/js-yaml/issues/524)
+* [js-yaml: Crash/TypeError](https://github.com/nodeca/js-yaml/issues/525)
 
 **Feel free to add bugs that you found with jsfuzz to this list via pull-request**