[FrameworkBundle] simplified code

src/Symfony/Bundle/FrameworkBundle/Resources/views/Exception/logs.html.twig

@@ -1,8 +1,7 @@
 <ol class="traces">
     {% for log in logs %}
         <li>
-            {% if 'EMERG' == log.priorityName or 'ERR' == log.priorityName or 'CRIT' == log.priorityName
-               or 'ALERT' == log.priorityName or 'ERROR' == log.priorityName or 'CRITICAL' == log.priorityName %}
+            {% if log.priorityName in ['EMERG', 'ERR', 'CRIT', 'ALERT', 'ERROR', 'CRITICAL'] %}
                 <em>{{ log.priorityName }}</em>
             {% else %}
                 {{ log.priorityName }}
@@ -11,4 +10,4 @@
             {{ log.message }}
         </li>
     {% endfor %}
-</ol>
+</ol>