Disambiguated the strings of "Pan" for Effect name and Audio Pan.

data/effects/audiopan.xml

 <!DOCTYPE kpartgui>
 <effect tag="panner" id="audiopan" type="audio">
-	<name>Pan</name>
+	<name context="Pan Effect Name">Pan</name>
 	<description>Adjust the left/right spread of a channel</description>
 	<author>Dan Dennedy</author>
         <parameter type="list" name="channel" default="0" paramlist="0;1">
@@ -8,6 +8,6 @@
                 <name>Channel</name>
         </parameter>
 	<parameter type="animated" name="start" max="1000" min="0" default="0.5" factor="1000">
-		<name>Pan</name>
+		<name context="Audio Pan">Pan</name>
 	</parameter>
 </effect>