Fix typo in CC Zero result page template that led to users mistakenly being informed that the email they requested could not be send to them.

Author: Rob Myers

python_env/src/cc.engine/cc/engine/templates/chooser_pages/zero/results.html

@@ -86,7 +86,7 @@ <h3 style="margin-top:0;">{% trans %}Send Email{% endtrans %}</h3>
 
             {% if email_requested %}
               {# email container #}
-              {% if not succesful_send %}
+              {% if not successful_send %}
                 <div class="more-metadata-container error">
                   {% trans email_addr=email_addr %}An error occurred when we tried to send the email message; you can try clicking the Back button and double checking your email address.  If the address you used ({{ email_addr }}) was correct you can <a href="/contact">contact us</a>.{% endtrans %}
                 </div>