Fix encoding issue in title in article template

The title containted '·' string, which probably was a result of re-encoding UTF-8 as UTF-8. Replaced with '·'.

Author: krdln

themes/rusted/templates/article.html

@@ -1,7 +1,7 @@
 {% extends "base.html" %}
 
 {% block title %}
-{{ article.title }} {%if article.subtitle %} - {{ article.subtitle }} {% endif %} · {{ super() }}
+{{ article.title }} {%if article.subtitle %} - {{ article.subtitle }} {% endif %} · {{ super() }}
 {% endblock title %}
 
 {% block head_description %}