euscanwww: fix captcha <table> must be inside <form>

Signed-off-by: Corentin Chary <corentin.chary@gmail.com>

euscanwww/djeuscan/templates/registration/registration_form.html

@@ -5,8 +5,8 @@
 {% endblock %}
 
 {% block content %}
+<form method='post' action=''>{% csrf_token %}
   <table>
-    <form method='post' action=''>{% csrf_token %}
     {{ form }}
     <tr>
       <td></td>
@@ -14,6 +14,6 @@
         <input class="btn pull-right" type="submit" value="Send activation email" />
       </td>
     </tr>
-    </form>
   </table>
+</form>
 {% endblock %}