fix fallback to emission image for soundfiles

panikweb_templates/templates/soundfiles/resume.html

@@ -3,7 +3,7 @@
 	<div class="logo">
 		{% if soundfile.episode.image %}
 			<img src="{{ soundfile.episode.image|thumbnail:'60x60' }}"/>
-		{% elif episode.emission.image %}
+		{% elif soundfile.episode.emission.image %}
 			<img src="{{ soundfile.episode.emission.image|thumbnail:'60x60' }}"/>
 		{% else %}
 			<img width="60" height="60" src="{% static "img/sound.png" %}"/>