[damned-lies] Only show link to comment when there is some content

[Claude Paroz <claudep src gnome org>]

commit 173925b00bfad5074dbde7de28e5cbd5e0dfed9c
Author: Claude Paroz <claude 2xlibre net>
Date:   Sat Feb 16 15:54:07 2019 +0100

    Only show link to comment when there is some content

 templates/vertimus/vertimus_detail.html | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)
---
diff --git a/templates/vertimus/vertimus_detail.html b/templates/vertimus/vertimus_detail.html
index 7aec786f..c19169f4 100644
--- a/templates/vertimus/vertimus_detail.html
+++ b/templates/vertimus/vertimus_detail.html
@@ -189,8 +189,12 @@ $(document).ready(function() {
   <div class="vertimus_action">
     <div class="vertimus_action_head">
       <div class="face_image">{{ action.person|people_image }}</div>
-      <a href="{{ action.person.get_absolute_url }}">{{ action.person.name }}</a>
-      , <br /><a name="{{ action.id }}" href="#{{ action.id }}" title="{% trans 'Link to this comment' 
%}"><img alt="link comment icon" class="action_icons" src="{{ STATIC_URL }}img/share.png"></a>
+      <a href="{{ action.person.get_absolute_url }}">{{ action.person.name }}</a><br>
+      {% if action.file or action.comment %}
+      <a name="{{ action.id }}" href="#{{ action.id }}" title="{% trans 'Link to this comment' %}">
+          <img alt="link comment icon" class="action_icons" src="{{ STATIC_URL }}img/share.png">
+      </a>
+      {% endif %}
         <a role="button" data-toggle="collapse" href="#{{ action.created|date:"Y_g_i_s" }}" 
class="visible-xs-inline" aria-expanded="false" aria-controls="collapseExample2">
                  <img alt="icon for action time" class="action_icons" src="{{ STATIC_URL }}img/clock.png">
                </a>