docs: update links to examples

README.md

@@ -174,5 +174,5 @@ consecutive `on_url` callbacks.
 See examples of reading in headers:
 
 * [partial example](http://gist.github.com/155877) in C
-* [from http-parser tests](http://github.com/joyent/http-parser/blob/37a0ff8928fb0d83cec0d0d8909c5a4abcd221af/test.c#L403) in C
+* [from http-parser tests](http://github.com/joyent/http-parser/blob/37a0ff8/test.c#L403) in C
-* [from Node library](http://github.com/ry/node/blob/842eaf446d2fdcb33b296c67c911c32a0dabc747/src/http.js#L284) in Javascript
+* [from Node library](http://github.com/joyent/node/blob/842eaf4/src/http.js#L284) in Javascript