No newline for code output

[EmilHvitfeldt]

The following document renders differently after version 0.4.0.

---
output: hugodown::hugo_document
---

```{r}
1 + 1
```

It used to render to

---
output: hugodown::hugo_document
rmd_hash: afe01a4d6eaaf4f6

---

<div class="highlight">

<pre class='chroma'><code class='language-r' data-lang='r'><span class='m'>1</span> <span class='o'>+</span> <span class='m'>1</span>
<span class='c'>#&gt; [1] 2</span></code></pre>

</div>

Which looks like this

It now renders to

---
output: hugodown::hugo_document
rmd_hash: afe01a4d6eaaf4f6

---

<div class="highlight">

<pre class='chroma'><code class='language-r' data-lang='r'><span><span class='m'>1</span> <span class='o'>+</span> <span class='m'>1</span></span><span><span class='c'>#&gt; [1] 2</span></span></code></pre>

</div>

Which gives the following output