Good ones can be missing as well

Signed-off-by: Michal Čihař <michal@cihar.com>

weblate/html/progress.html

@@ -6,7 +6,9 @@
 <div class="col-xs-10">
 {% endif %}
 <div class="progress">
+  {% if good %}
   <div class="progress-bar progress-bar-success" role="progressbar" aria-valuenow="{{ good }}" aria-valuemin="0" aria-valuemax="100" style="width: {{ good }}%;" title="{% trans "Translated strings" %}"></div>
+  {% endif %}
   {% if checks %}
   <div class="progress-bar progress-bar-warning" role="progressbar" aria-valuenow="{{ checks }}" aria-valuemin="0" aria-valuemax="100" style="width: {{ checks }}%;" title="{% trans "Fuzzy strings" %}"></div>
   {% endif %}