Fix code links not being blue.

doc/_posts/2017-05-01-capnproto-0.6-msvc-json-http-more.md

@@ -40,7 +40,7 @@ The 0.6 release includes a number of measures designed to harden Cap'n Proto's C
 
 Cap'n Proto messages can now be converted to and from JSON using `libcapnp-json`. This makes it easy to integrate your JSON front-end API with your Cap'n Proto back-end.
 
-See the [`capnp/compat/json.h`](https://github.com/sandstorm-io/capnproto/blob/master/c++/src/capnp/compat/json.h) header for API details.
+See the <code><a href="https://github.com/sandstorm-io/capnproto/blob/master/c++/src/capnp/compat/json.h">capnp/compat/json.h</a></code> header for API details.
 
 This library was primarily built by [**Kamal Marhubi**](https://github.com/kamalmarhubi) and [**Branislav Katreniak**](https://github.com/katreniak), using Cap'n Proto's [dynamic API]({{site.baseurl}}cxx.html#dynamic-reflection).
 
@@ -48,7 +48,7 @@ This library was primarily built by [**Kamal Marhubi**](https://github.com/kamal
 
 KJ (the C++ framework library bundled with Cap'n Proto) now ships with a minimalist HTTP library, `libkj-http`. The library is based on the KJ asynchronous I/O framework and covers both client-side and server-side use cases. Although functional and used in production today, the library should be considered a work in progress -- expect improvements in future releases, such as client connection pooling and TLS support.
 
-See the [`kj/compat/http.h`](https://github.com/sandstorm-io/capnproto/blob/master/c++/src/kj/compat/http) header for API details.
+See the <code><a href="https://github.com/sandstorm-io/capnproto/blob/master/c++/src/kj/compat/http.h">kj/compat/http.h</a></code> header for API details.
 
 #### Smaller things