Fix template variable references in transaction detail view

nummi/transaction/templates/transaction/transaction_detail.html

@@ -16,17 +16,17 @@
   <h2>{{ transaction }}</h2>
   <section class="transaction-details">
     <ul>
-      {% if statement %}
+      {% if transaction.statement %}
         <li>
-          {% with statement.account as account %}
+          {% with transaction.statement.account as account %}
             <a href="{{ account.get_absolute_url }}">{{ account.icon|remix }}{{ account }}</a> –
           {% endwith %}
-          <a href="{{ statement.get_absolute_url }}">{{ statement }}</a>
+          <a href="{{ transaction.statement.get_absolute_url }}">{{ transaction.statement }}</a>
         </li>
       {% endif %}
-      {% if category %}
+      {% if transaction.category %}
         <li>
-          <a href="{{ category.get_absolute_url }}">{{ category.icon|remix }}{{ category }}</a>
+          <a href="{{ transaction.category.get_absolute_url }}">{{ transaction.category.icon|remix }}{{ transaction.category }}</a>
         </li>
       {% endif %}
       {% if transaction.trader %}