Add csrf token to expressionforms in alertprofiles

Author: johannaengland

python/nav/web/templates/alertprofiles/base_detail.html

@@ -39,6 +39,7 @@ <h5>
           {% endblock %}
         </h5>
         <form action="{% block url_remove_expression %}{% endblock %}" method="post">
+            {% csrf_token %}
             <table class="listtable">
                 <thead>
                     <tr>
@@ -67,6 +68,7 @@ <h5>
 
     <div class="addexpressionform">
         <form action="{% block url_add_expression %}{% endblock %}" method="post">
+        {% csrf_token %}
         {% block addexpression %}
             <p>
                 <input type="hidden" name="id" value="{{ detail_id }}" />

python/nav/web/templates/alertprofiles/expression_form.html

@@ -6,6 +6,7 @@ <h4>
   </h4>
 
   <form action="{% url 'alertprofiles-filters-saveexpression' %}" method="post" class="custom">
+    {% csrf_token %}
     <table class="vertitable">
       <tbody>
         <tr>