Fix fontawesome v5 example

Replaced [ in data argument with {

Author: robbrazier

example/App.html

@@ -57,7 +57,7 @@ <h2>Custom icons</h2>
 -->
     <h2>FontAwesome v5 Icons</h2>
     <p><Icon data={faFontAwesomeLogoFull} scale="10"></Icon></p>
-    <figure><pre class="prettyprint"><code>{'<Icon data=[faFontAwesomeLogoFull} scale="10"></Icon>'}</code></pre></figure>
+    <figure><pre class="prettyprint"><code>{'<Icon data={faFontAwesomeLogoFull} scale="10"></Icon>'}</code></pre></figure>
 
     <h2>Multi-color icons</h2>
     <p><small>Register icons in more advanced ways to unleash the full power of SVG.</small></p>